| Potters Bar to Mengen | 492.36 mi (792.38 km) |
| Potters Bar to Meppen | 323.84 mi (521.17 km) |
| Potters Bar to Merchweiler | 356.56 mi (573.83 km) |
| Potters Bar to Mering | 549.26 mi (883.95 km) |
| Potters Bar to Merseburg | 523.33 mi (842.22 km) |
| Potters Bar to Merzenich | 296.17 mi (476.64 km) |
| Potters Bar to Merzig | 336.19 mi (541.05 km) |
| Potters Bar to Meschede | 364.54 mi (586.68 km) |
| Potters Bar to Messkirch | 486.35 mi (782.70 km) |
| Potters Bar to Messstetten | 473.26 mi (761.64 km) |
| Potters Bar to Mettingen | 341.21 mi (549.12 km) |
| Potters Bar to Mettlach | 334.00 mi (537.51 km) |
| Potters Bar to Mettmann | 309.12 mi (497.48 km) |
| Potters Bar to Metzingen | 472.46 mi (760.35 km) |
| Potters Bar to Meuselwitz | 539.59 mi (868.39 km) |
