| Portchester to Mechernich | 340.14 mi (547.39 km) |
| Portchester to Meckenbeuren | 527.62 mi (849.12 km) |
| Portchester to Meckenheim | 355.91 mi (572.78 km) |
| Portchester to Meerane | 591.75 mi (952.33 km) |
| Portchester to Meerbusch | 339.29 mi (546.04 km) |
| Portchester to Meine | 510.60 mi (821.73 km) |
| Portchester to Meinerzhagen | 381.03 mi (613.20 km) |
| Portchester to Meiningen | 504.81 mi (812.41 km) |
| Portchester to Meissen | 634.27 mi (1,020.76 km) |
| Portchester to Meitingen | 556.90 mi (896.24 km) |
| Portchester to Melle | 417.06 mi (671.19 km) |
| Portchester to Melsungen | 464.10 mi (746.90 km) |
| Portchester to Memmelsdorf | 534.96 mi (860.93 km) |
| Portchester to Memmingen | 544.23 mi (875.86 km) |
| Portchester to Mendig | 369.57 mi (594.77 km) |
