| Potomac to Maisons-Alfort | 3,837.63 mi (6,176.06 km) |
| Potomac to Maisons-Laffitte | 3,821.67 mi (6,150.38 km) |
| Potomac to Maizieres-les-Metz | 3,981.98 mi (6,408.37 km) |
| Potomac to Malakoff | 3,831.29 mi (6,165.87 km) |
| Potomac to Mandelieu-la-Napoule | 4,185.39 mi (6,735.73 km) |
| Potomac to Manosque | 4,125.00 mi (6,638.54 km) |
| Potomac to Mantes-la-Jolie | 3,802.49 mi (6,119.52 km) |
| Potomac to Mantes-la-Ville | 3,802.66 mi (6,119.79 km) |
| Potomac to Marck | 3,763.87 mi (6,057.36 km) |
| Potomac to Marcq-en-Baroeul | 3,817.48 mi (6,143.63 km) |
| Potomac to Margny-les-Compiegne | 3,837.67 mi (6,176.13 km) |
| Potomac to Marguerittes | 4,064.39 mi (6,541.00 km) |
| Potomac to Marignane | 4,112.53 mi (6,618.48 km) |
| Potomac to Marly | 3,985.76 mi (6,414.45 km) |
| Potomac to Marly | 3,843.90 mi (6,186.16 km) |
