| Cwmbran to Montevarchi | 878.90 mi (1,414.45 km) |
| Cwmbran to Monticello Conte Otto | 785.09 mi (1,263.48 km) |
| Cwmbran to Montichiari | 748.00 mi (1,203.78 km) |
| Cwmbran to Montignoso | 805.61 mi (1,296.50 km) |
| Cwmbran to Montopoli in Val d'Arno | 843.22 mi (1,357.04 km) |
| Cwmbran to Monza | 699.35 mi (1,125.50 km) |
| Cwmbran to Morbegno | 685.87 mi (1,103.81 km) |
| Cwmbran to Mori | 751.60 mi (1,209.59 km) |
| Cwmbran to Morlupo | 980.69 mi (1,578.27 km) |
| Cwmbran to Morrovalle | 962.13 mi (1,548.40 km) |
| Cwmbran to Mortara | 696.18 mi (1,120.39 km) |
| Cwmbran to Mosciano Sant'Angelo | 999.97 mi (1,609.30 km) |
| Cwmbran to Motta di Livenza | 817.55 mi (1,315.72 km) |
| Cwmbran to Motta Sant'Anastasia | 1,311.93 mi (2,111.34 km) |
| Cwmbran to Mottola | 1,218.35 mi (1,960.75 km) |
