| Potomac to Laurinburg (North Carolina) | 319.82 mi (514.70 km) |
| Potomac to Lawndale (California) | 2,294.98 mi (3,693.42 km) |
| Potomac to Lawrence (Indiana) | 472.85 mi (760.97 km) |
| Potomac to Lawrence (Kansas) | 968.86 mi (1,559.23 km) |
| Potomac to Lawrence (Massachusetts) | 405.05 mi (651.87 km) |
| Potomac to Lawrenceburg (Kentucky) | 422.04 mi (679.21 km) |
| Potomac to Lawrenceburg (Tennessee) | 615.57 mi (990.66 km) |
| Potomac to Lawrenceville (Georgia) | 514.46 mi (827.94 km) |
| Potomac to Lawton (Oklahoma) | 1,209.64 mi (1,946.73 km) |
| Potomac to Layton (Utah) | 1,832.30 mi (2,948.81 km) |
| Potomac to Le Mars (Iowa) | 1,022.35 mi (1,645.32 km) |
| Potomac to League City (Texas) | 1,213.07 mi (1,952.24 km) |
| Potomac to Lealman (Florida) | 835.31 mi (1,344.30 km) |
| Potomac to Leander (Texas) | 1,305.51 mi (2,101.01 km) |
| Potomac to Leavenworth (Kansas) | 948.45 mi (1,526.38 km) |
