| Welwyn Garden City to Montevarchi | 789.74 mi (1,270.97 km) |
| Welwyn Garden City to Monticello Conte Otto | 685.78 mi (1,103.65 km) |
| Welwyn Garden City to Montichiari | 653.60 mi (1,051.87 km) |
| Welwyn Garden City to Montignoso | 719.62 mi (1,158.11 km) |
| Welwyn Garden City to Montopoli in Val d'Arno | 756.58 mi (1,217.60 km) |
| Welwyn Garden City to Monza | 608.37 mi (979.08 km) |
| Welwyn Garden City to Morbegno | 590.37 mi (950.10 km) |
| Welwyn Garden City to Mori | 652.83 mi (1,050.63 km) |
| Welwyn Garden City to Morlupo | 894.16 mi (1,439.01 km) |
| Welwyn Garden City to Morrovalle | 867.23 mi (1,395.67 km) |
| Welwyn Garden City to Mortara | 609.57 mi (981.02 km) |
| Welwyn Garden City to Mosciano Sant'Angelo | 906.45 mi (1,458.78 km) |
| Welwyn Garden City to Motta di Livenza | 714.55 mi (1,149.96 km) |
| Welwyn Garden City to Motta Sant'Anastasia | 1,232.60 mi (1,983.68 km) |
| Welwyn Garden City to Mottola | 1,123.51 mi (1,808.11 km) |
