| Cwmbran to Massarosa | 818.81 mi (1,317.75 km) |
| Cwmbran to Matelica | 943.87 mi (1,519.01 km) |
| Cwmbran to Matera | 1,200.81 mi (1,932.51 km) |
| Cwmbran to Matino | 1,288.54 mi (2,073.70 km) |
| Cwmbran to Mazzarino | 1,298.80 mi (2,090.22 km) |
| Cwmbran to Meda | 691.69 mi (1,113.16 km) |
| Cwmbran to Medesano | 769.05 mi (1,237.67 km) |
| Cwmbran to Medicina | 836.06 mi (1,345.51 km) |
| Cwmbran to Meldola | 867.54 mi (1,396.17 km) |
| Cwmbran to Melegnano | 711.50 mi (1,145.05 km) |
| Cwmbran to Melendugno | 1,284.53 mi (2,067.25 km) |
| Cwmbran to Melfi | 1,149.72 mi (1,850.29 km) |
| Cwmbran to Melilli | 1,334.48 mi (2,147.64 km) |
| Cwmbran to Melito di Napoli | 1,103.55 mi (1,776.00 km) |
| Cwmbran to Melito di Porto Salvo | 1,315.74 mi (2,117.48 km) |
