| Upminster to Manerbio | 621.78 mi (1,000.67 km) |
| Upminster to Manfredonia | 1,007.64 mi (1,621.65 km) |
| Upminster to Maniago | 676.62 mi (1,088.92 km) |
| Upminster to Mantova | 654.32 mi (1,053.02 km) |
| Upminster to Maranello | 688.53 mi (1,108.08 km) |
| Upminster to Marano di Napoli | 989.39 mi (1,592.28 km) |
| Upminster to Marano Vicentino | 650.30 mi (1,046.55 km) |
| Upminster to Marcianise | 985.79 mi (1,586.48 km) |
| Upminster to Marcon | 688.16 mi (1,107.49 km) |
| Upminster to Mareno di Piave | 677.17 mi (1,089.80 km) |
| Upminster to Margherita di Savoia | 1,029.43 mi (1,656.71 km) |
| Upminster to Mariano Comense | 573.74 mi (923.35 km) |
| Upminster to Marigliano | 996.05 mi (1,602.99 km) |
| Upminster to Marino | 894.24 mi (1,439.13 km) |
| Upminster to Marostica | 656.12 mi (1,055.93 km) |
