| Thornton Heath to Montevarchi | 768.56 mi (1,236.88 km) |
| Thornton Heath to Monticello Conte Otto | 667.38 mi (1,074.04 km) |
| Thornton Heath to Montichiari | 633.65 mi (1,019.76 km) |
| Thornton Heath to Montignoso | 697.63 mi (1,122.72 km) |
| Thornton Heath to Montopoli in Val d'Arno | 734.77 mi (1,182.51 km) |
| Thornton Heath to Monza | 587.44 mi (945.39 km) |
| Thornton Heath to Morbegno | 570.65 mi (918.38 km) |
| Thornton Heath to Mori | 634.22 mi (1,020.68 km) |
| Thornton Heath to Morlupo | 872.45 mi (1,404.07 km) |
| Thornton Heath to Morrovalle | 847.62 mi (1,364.12 km) |
| Thornton Heath to Mortara | 587.58 mi (945.62 km) |
| Thornton Heath to Mosciano Sant'Angelo | 886.48 mi (1,426.66 km) |
| Thornton Heath to Motta di Livenza | 697.49 mi (1,122.51 km) |
| Thornton Heath to Motta Sant'Anastasia | 1,209.60 mi (1,946.66 km) |
| Thornton Heath to Mottola | 1,104.03 mi (1,776.77 km) |
