DriveCosts

Road trip cost

How Much Does It Cost to Drive From Philadelphia to Washington?

At just 140 miles, the drive from Philadelphia, PA to Washington, DC is a quick 2 hr 30 min trip — easy to do in a single morning or afternoon. Most drivers spend less than a tank of gas, making it one of the cheapest ways to travel between these two cities.

Easy day tripEasy drive
  • Updated for 2026
  • US avg fuel prices
  • EPA-style MPG
  • EV rates vary by state
  • US units
Distance

140 mi

Driving time

2 hr 30 min

Fuel stops

0

EV charges

0

Route overview140 mi

Key takeaway

Plan on about $17 in gas one-way in a 28 MPG sedan, with 0 fuel stops and roughly 2 hr 30 min behind the wheel.

Drive intensity

Easy day trip

Doable in a single day.

Estimate your trip cost

Pre-filled with the Philadelphia → Washington distance.

miles
mpg
$/gal

Estimated Trip Cost

$0.00

Per Person

$0.00

Gallons

0.00gal

Total miles: 140 (one way).

How we estimate this trip

Distance
Great-circle distance between city centers × 1.18 road factor, rounded to whole miles.
Fuel cost formula
(miles ÷ MPG) × price per gallon, computed one-way unless noted.
Gas price assumption
Recent US average retail regular gas (AAA-style baseline).
EV charging assumption
Combined MPGe with average US residential electricity rate.
Tolls & weather
Not included — add manually for I-95, I-90 and mountain routes.
Driving time
Estimated at typical highway average speeds; excludes long breaks.

Sources & assumptions

  • EPA fuel economy data — City / highway / combined MPG and MPGe baselines.
  • U.S. Department of Energy (fueleconomy.gov) — Vehicle efficiency and EV range references.
  • AAA gas price trends — Recent national and regional retail fuel averages.
  • EIA electricity rates — Average residential per-kWh prices used for EV charging.

We summarize publicly available data — no scraping, no external API calls. Figures are calibrated periodically; use the calculators above for your exact inputs.

Fuel cost by vehicle type

Estimated one-way fuel cost at $3.45/gal (US average). Adjust for your local price.

Compact car· 35 MPG · 4.0 gal$13.80
Sedan· 28 MPG · 5.0 gal$17.25
SUV· 22 MPG · 6.4 gal$21.95
Pickup truck· 18 MPG · 7.8 gal$26.83

Cost at different gas prices

Assuming a 28 MPG sedan over the 140-mile route.

Gas at $3.15/gal

$15.75

one way · ~5.0 gal

Gas at $3.45/gal

$17.25

one way · ~5.0 gal

Gas at $3.85/gal

$19.25

one way · ~5.0 gal

Fuel & charging stops

No fill-up needed

At ~140 miles, a full tank in a typical sedan (~350-mile range) covers this drive end-to-end. Top up before you leave and you're set.

No EV charging needed

A modern EV with 230+ miles of real-world highway range can make this drive on a single charge. Start at 100% and you'll arrive with margin.

Halfway stop suggestion

Midpoint

Baltimore, MD

Roughly halfway between Philadelphia and Washington. A natural place to fuel up, grab a meal, swap drivers, or stop overnight on longer drives.

Route personality

Weekend getaway routeMetro-to-metroCommuter-doable

Northeast Corridor context

  • I-95, the NJ Turnpike, Mass Pike and Garden State Parkway are toll-heavy — budget $15–$40 each way.
  • Dense traffic between DC, NYC and Boston; avoid 7–10 am and 3–7 pm windows.
  • E-ZPass works across the entire Northeast and is essentially required for efficient driving.

City insights

Philadelphia, PA

  • Philadelphia traffic is heaviest 7–9 am and 4–7 pm — time your arrival around it.
  • PA uses electronic tolling — an E-ZPass / SunPass / TxTag transponder is worth it.

Washington, DC

  • Washington traffic is heaviest 7–9 am and 4–7 pm — time your arrival around it.
  • Washington draws year-round visitors — book parking and lodging ahead in peak weeks.
  • Government and event-day closures around downtown Washington can reroute traffic.

Best stops along the way

  • Baltimore, MD sits near the midpoint — natural fuel, food and restroom stop.
  • Scenic pull-offs and coastal overlooks add 15–30 min but break up the monotony on tourism corridors.

Seasonal notes

Winter

Snow, ice and chain-control zones from late November through March — carry an emergency kit.

Recommendations for this route

  • Any vehicle works for the distance — pick comfort over MPG.
  • Pick up the correct toll transponder (E-ZPass / SunPass / TxTag) before you leave.
  • Off-peak departure (10 am or after 7 pm) saves the most time and fuel.

Is it cheaper to fly or drive?

Driving is almost always cheaper here — short flights cost more than fuel once you factor in airport parking, bags and a rental car.

A one-way drive uses about $17 in gas (28 MPG, $3.45/gal). A typical short domestic flight costs $80–$220 per person plus $30–$60/day for airport parking and any baggage fees.

Weather & best time

Spring and fall offer the most comfortable driving conditions and lighter holiday traffic.

  • • Winter snow and salted roads are common between November and March.

Tolls

Tolls are likely on parts of the route — usually under $20 each way, but a transponder saves time.

Best vehicle

Any vehicle works — short enough that fuel economy barely matters.

Driving difficulty

Easy day trip · 2 hr 30 min

Low — one driver can comfortably handle this with a single break.

Doable in a single day

Most drivers complete this route in a single day. Leave early to avoid arriving tired in evening traffic.

About the drive from Philadelphia to Washington

This 140-mile route between Philadelphia, PA and Washington, DC is a popular drive in the region. Expect roughly 2 hr 30 min behind the wheel under normal traffic conditions.

Fuel-saving tips

  • Keep your speed near 65 mph — fuel economy drops sharply above 70.
  • Fill up before mountain or desert stretches; remote stations charge a premium.
  • Use GasBuddy or AAA to spot cheap stations along your route before you leave.
  • Plan to avoid rush hour in both cities — stop-and-go traffic can cut highway MPG by 20%.

Frequently asked questions

How long does it take to drive from Philadelphia to Washington?

The drive is about 140 miles and takes roughly 2 hr 30 min under normal traffic. Add buffer for stops, construction, and rush hour around either city.

How much gas does the trip use?

In a 28 MPG sedan, expect about 5.0 gallons one way. A 22 MPG SUV would use roughly 6.4 gallons.

What's the typical fuel cost?

At the US average of $3.45/gal, a 28 MPG vehicle costs about $17.25 one way. Round trip roughly doubles that. Use the calculator above for your exact MPG and local gas price.

How many fuel or charging stops will I need?

A typical gas sedan needs about 0 fuel stops one way. A modern EV with ~230 miles of highway range needs about 0 DC fast-charges.

Is it cheaper to drive or fly from Philadelphia to Washington?

Driving is almost always cheaper here — short flights cost more than fuel once you factor in airport parking, bags and a rental car.

What's the best time of year to drive this route?

Spring and fall offer the most comfortable driving conditions and lighter holiday traffic.

Where's a good halfway stop?

Baltimore, MD is roughly halfway and makes a natural fuel, food, or overnight break.

Best vehicles for this route

Estimated 140-mile fuel cost for each pick at average US prices. Tap any vehicle for a full cost breakdown.

Cheapest to drive

Toyota Prius

57 MPG · hybrid

~$8

est. one-way fuel cost

See full breakdown

Best EV

Lucid Air

134 MPGe · ev

~$6

est. one-way charging cost

See full breakdown

Best sedan

Hyundai Elantra

37 MPG · sedan

~$13

est. one-way fuel cost

See full breakdown

Best SUV for comfort

Nissan Rogue

33 MPG · suv

~$15

est. one-way fuel cost

See full breakdown

Best truck for cargo

Ford Maverick

26 MPG · truck

~$19

est. one-way fuel cost

See full breakdown

Related routes

More routes like Philadelphia to Washington

Reverse drives, connecting routes and regional alternatives — each with distance and driving cost at current US gas prices.

Reverse drive

Washington to Philadelphia driving cost

140 mi · 2.5 h

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Philadelphia → Harrisburg

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Atlantic City → Washington

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