| Swansea to Menen | 4,343.40 mi (6,990.02 km) |
| Swansea to Merchtem | 4,380.07 mi (7,049.04 km) |
| Swansea to Merelbeke | 4,360.58 mi (7,017.68 km) |
| Swansea to Merksem | 4,378.62 mi (7,046.70 km) |
| Swansea to Merksplas | 4,390.42 mi (7,065.70 km) |
| Swansea to Mettet | 4,418.28 mi (7,110.53 km) |
| Swansea to Meulebeke | 4,344.61 mi (6,991.97 km) |
| Swansea to Middelkerke | 4,319.01 mi (6,950.78 km) |
| Swansea to Mol | 4,406.08 mi (7,090.90 km) |
| Swansea to Mons | 4,386.73 mi (7,059.76 km) |
| Swansea to Montignies-le-Tilleul | 4,405.60 mi (7,090.13 km) |
| Swansea to Moorslede | 4,338.00 mi (6,981.33 km) |
| Swansea to Moortebeek | 4,387.86 mi (7,061.58 km) |
| Swansea to Morlanwelz-Mariemont | 4,397.59 mi (7,077.23 km) |
| Swansea to Mortsel | 4,382.14 mi (7,052.38 km) |
