| Siedlce to Menen | 826.98 mi (1,330.89 km) |
| Siedlce to Merchtem | 777.10 mi (1,250.62 km) |
| Siedlce to Merelbeke | 797.06 mi (1,282.74 km) |
| Siedlce to Merksem | 764.17 mi (1,229.81 km) |
| Siedlce to Merksplas | 744.47 mi (1,198.11 km) |
| Siedlce to Mettet | 770.52 mi (1,240.03 km) |
| Siedlce to Meulebeke | 817.47 mi (1,315.58 km) |
| Siedlce to Middelkerke | 833.68 mi (1,341.68 km) |
| Siedlce to Mol | 736.41 mi (1,185.14 km) |
| Siedlce to Mons | 797.98 mi (1,284.22 km) |
| Siedlce to Montignies-le-Tilleul | 780.87 mi (1,256.69 km) |
| Siedlce to Moorslede | 827.91 mi (1,332.39 km) |
| Siedlce to Moortebeek | 774.43 mi (1,246.33 km) |
| Siedlce to Morlanwelz-Mariemont | 785.97 mi (1,264.90 km) |
| Siedlce to Mortsel | 764.19 mi (1,229.84 km) |
