| Castaic to Menen | 5,564.20 mi (8,954.72 km) |
| Castaic to Merchtem | 5,590.04 mi (8,996.29 km) |
| Castaic to Merelbeke | 5,573.61 mi (8,969.87 km) |
| Castaic to Merksem | 5,582.74 mi (8,984.56 km) |
| Castaic to Merksplas | 5,589.44 mi (8,995.33 km) |
| Castaic to Mettet | 5,635.00 mi (9,068.66 km) |
| Castaic to Meulebeke | 5,561.82 mi (8,950.88 km) |
| Castaic to Middelkerke | 5,535.96 mi (8,909.27 km) |
| Castaic to Mol | 5,606.06 mi (9,022.08 km) |
| Castaic to Mons | 5,606.76 mi (9,023.20 km) |
| Castaic to Montignies-le-Tilleul | 5,623.42 mi (9,050.01 km) |
| Castaic to Moorslede | 5,557.76 mi (8,944.35 km) |
| Castaic to Moortebeek | 5,598.77 mi (9,010.35 km) |
| Castaic to Morlanwelz-Mariemont | 5,615.50 mi (9,037.28 km) |
| Castaic to Mortsel | 5,587.27 mi (8,991.84 km) |
