| North Potomac to Mombris | 4,077.62 mi (6,562.30 km) |
| North Potomac to Monchengladbach | 3,936.26 mi (6,334.80 km) |
| North Potomac to Monschau | 3,946.60 mi (6,351.43 km) |
| North Potomac to Montabaur | 4,013.10 mi (6,458.46 km) |
| North Potomac to Moosburg | 4,238.65 mi (6,821.44 km) |
| North Potomac to Morbach | 4,002.15 mi (6,440.84 km) |
| North Potomac to Morfelden-Walldorf | 4,056.16 mi (6,527.76 km) |
| North Potomac to Morlenbach | 4,074.16 mi (6,556.73 km) |
| North Potomac to Morsbach | 3,996.58 mi (6,431.88 km) |
| North Potomac to Mosbach | 4,098.12 mi (6,595.29 km) |
| North Potomac to Mosigkau | 4,144.54 mi (6,670.00 km) |
| North Potomac to Mossingen | 4,123.10 mi (6,635.49 km) |
| North Potomac to Much | 3,982.57 mi (6,409.32 km) |
| North Potomac to Mucheln | 4,144.21 mi (6,669.46 km) |
| North Potomac to Muhlacker | 4,097.70 mi (6,594.60 km) |
