| Potomac to Lyndon (Kentucky) | 455.84 mi (733.60 km) |
| Potomac to Lynn (Massachusetts) | 404.24 mi (650.57 km) |
| Potomac to Lynn Haven (Florida) | 772.81 mi (1,243.72 km) |
| Potomac to Lynnwood (Washington) | 2,308.75 mi (3,715.57 km) |
| Potomac to Lynwood (California) | 2,285.99 mi (3,678.95 km) |
| Potomac to Lyons (Illinois) | 590.94 mi (951.02 km) |
| Potomac to Mableton (Georgia) | 544.73 mi (876.65 km) |
| Potomac to Macedonia (Ohio) | 277.30 mi (446.27 km) |
| Potomac to Machesney Park (Illinois) | 661.05 mi (1,063.85 km) |
| Potomac to Mack (Ohio) | 401.45 mi (646.07 km) |
| Potomac to Macomb (Illinois) | 722.81 mi (1,163.24 km) |
| Potomac to Macon (Georgia) | 562.15 mi (904.70 km) |
| Potomac to Madera (California) | 2,317.86 mi (3,730.24 km) |
| Potomac to Madison (Alabama) | 606.27 mi (975.70 km) |
| Potomac to Madison (Indiana) | 441.38 mi (710.33 km) |
