| Williamstown to Mombris | 3,959.90 mi (6,372.84 km) |
| Williamstown to Monchengladbach | 3,818.88 mi (6,145.89 km) |
| Williamstown to Monschau | 3,828.57 mi (6,161.48 km) |
| Williamstown to Montabaur | 3,895.36 mi (6,268.97 km) |
| Williamstown to Moosburg | 4,120.30 mi (6,630.98 km) |
| Williamstown to Morbach | 3,883.66 mi (6,250.15 km) |
| Williamstown to Morfelden-Walldorf | 3,938.22 mi (6,337.95 km) |
| Williamstown to Morlenbach | 3,955.91 mi (6,366.42 km) |
| Williamstown to Morsbach | 3,879.21 mi (6,242.99 km) |
| Williamstown to Mosbach | 3,979.76 mi (6,404.80 km) |
| Williamstown to Mosigkau | 4,029.37 mi (6,484.64 km) |
| Williamstown to Mossingen | 4,003.91 mi (6,443.67 km) |
| Williamstown to Much | 3,865.16 mi (6,220.37 km) |
| Williamstown to Mucheln | 4,028.38 mi (6,483.05 km) |
| Williamstown to Muhlacker | 3,978.90 mi (6,403.43 km) |
