| Upminster to Massarosa | 707.18 mi (1,138.09 km) |
| Upminster to Matelica | 825.30 mi (1,328.19 km) |
| Upminster to Matera | 1,081.33 mi (1,740.24 km) |
| Upminster to Matino | 1,167.20 mi (1,878.43 km) |
| Upminster to Mazzarino | 1,197.16 mi (1,926.65 km) |
| Upminster to Meda | 574.92 mi (925.25 km) |
| Upminster to Medesano | 653.58 mi (1,051.84 km) |
| Upminster to Medicina | 716.47 mi (1,153.05 km) |
| Upminster to Meldola | 748.21 mi (1,204.13 km) |
| Upminster to Melegnano | 595.93 mi (959.05 km) |
| Upminster to Melendugno | 1,162.11 mi (1,870.23 km) |
| Upminster to Melfi | 1,031.71 mi (1,660.37 km) |
| Upminster to Melilli | 1,229.93 mi (1,979.39 km) |
| Upminster to Melito di Napoli | 990.06 mi (1,593.35 km) |
| Upminster to Melito di Porto Salvo | 1,206.88 mi (1,942.29 km) |
