About the drive from Key West to Dallas
This 1265-mile route between Key West, FL and Dallas, TX is a popular drive in the region. Expect roughly 20 hr 24 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.