| Upminster to Menen | 134.97 mi (217.21 km) |
| Upminster to Merchtem | 176.89 mi (284.68 km) |
| Upminster to Merelbeke | 156.00 mi (251.06 km) |
| Upminster to Merksem | 181.89 mi (292.72 km) |
| Upminster to Merksplas | 199.08 mi (320.40 km) |
| Upminster to Mettet | 209.95 mi (337.88 km) |
| Upminster to Meulebeke | 137.78 mi (221.74 km) |
| Upminster to Middelkerke | 113.69 mi (182.96 km) |
| Upminster to Mol | 211.40 mi (340.22 km) |
| Upminster to Mons | 178.02 mi (286.49 km) |
| Upminster to Montignies-le-Tilleul | 197.16 mi (317.30 km) |
| Upminster to Moorslede | 130.04 mi (209.28 km) |
| Upminster to Moortebeek | 183.42 mi (295.19 km) |
| Upminster to Morlanwelz-Mariemont | 189.21 mi (304.51 km) |
| Upminster to Mortsel | 183.82 mi (295.82 km) |
