| Watertown to Mombris | 3,807.49 mi (6,127.56 km) |
| Watertown to Monchengladbach | 3,664.99 mi (5,898.23 km) |
| Watertown to Monschau | 3,678.17 mi (5,919.44 km) |
| Watertown to Montabaur | 3,743.21 mi (6,024.12 km) |
| Watertown to Moosburg | 3,970.92 mi (6,390.58 km) |
| Watertown to Morbach | 3,735.70 mi (6,012.02 km) |
| Watertown to Morfelden-Walldorf | 3,787.05 mi (6,094.68 km) |
| Watertown to Morlenbach | 3,806.46 mi (6,125.90 km) |
| Watertown to Morsbach | 3,725.11 mi (5,994.98 km) |
| Watertown to Mosbach | 3,830.84 mi (6,165.15 km) |
| Watertown to Mosigkau | 3,863.92 mi (6,218.39 km) |
| Watertown to Mossingen | 3,859.73 mi (6,211.64 km) |
| Watertown to Much | 3,711.28 mi (5,972.72 km) |
| Watertown to Mucheln | 3,866.06 mi (6,221.82 km) |
| Watertown to Muhlacker | 3,832.45 mi (6,167.73 km) |