| Clay to Mengen | 4,781.49 mi (7,695.07 km) |
| Clay to Meppen | 4,559.20 mi (7,337.33 km) |
| Clay to Merchweiler | 4,648.30 mi (7,480.72 km) |
| Clay to Mering | 4,841.74 mi (7,792.03 km) |
| Clay to Merseburg | 4,779.26 mi (7,691.48 km) |
| Clay to Merzenich | 4,583.55 mi (7,376.52 km) |
| Clay to Merzig | 4,627.65 mi (7,447.49 km) |
| Clay to Meschede | 4,636.92 mi (7,462.39 km) |
| Clay to Messkirch | 4,774.42 mi (7,683.68 km) |
| Clay to Messstetten | 4,762.28 mi (7,664.15 km) |
| Clay to Mettingen | 4,588.78 mi (7,384.93 km) |
| Clay to Mettlach | 4,625.62 mi (7,444.22 km) |
| Clay to Mettmann | 4,588.52 mi (7,384.52 km) |
| Clay to Metzingen | 4,764.09 mi (7,667.06 km) |
| Clay to Meuselwitz | 4,800.98 mi (7,726.43 km) |
