| Portchester to Mengen | 506.97 mi (815.89 km) |
| Portchester to Meppen | 381.52 mi (613.99 km) |
| Portchester to Merchweiler | 376.48 mi (605.89 km) |
| Portchester to Mering | 570.32 mi (917.84 km) |
| Portchester to Merseburg | 569.30 mi (916.20 km) |
| Portchester to Merzenich | 333.53 mi (536.77 km) |
| Portchester to Merzig | 355.61 mi (572.31 km) |
| Portchester to Meschede | 409.25 mi (658.62 km) |
| Portchester to Messkirch | 499.75 mi (804.26 km) |
| Portchester to Messstetten | 487.77 mi (784.98 km) |
| Portchester to Mettingen | 395.23 mi (636.05 km) |
| Portchester to Mettlach | 353.87 mi (569.50 km) |
| Portchester to Mettmann | 352.23 mi (566.85 km) |
| Portchester to Metzingen | 491.14 mi (790.41 km) |
| Portchester to Meuselwitz | 583.57 mi (939.17 km) |
