| Penarth to Montevarchi | 875.77 mi (1,409.41 km) |
| Penarth to Monticello Conte Otto | 784.15 mi (1,261.97 km) |
| Penarth to Montichiari | 746.06 mi (1,200.67 km) |
| Penarth to Montignoso | 801.99 mi (1,290.68 km) |
| Penarth to Montopoli in Val d'Arno | 839.67 mi (1,351.32 km) |
| Penarth to Monza | 696.83 mi (1,121.43 km) |
| Penarth to Morbegno | 684.27 mi (1,101.22 km) |
| Penarth to Mori | 750.59 mi (1,207.96 km) |
| Penarth to Morlupo | 976.97 mi (1,572.29 km) |
| Penarth to Morrovalle | 960.06 mi (1,545.07 km) |
| Penarth to Mortara | 692.84 mi (1,115.02 km) |
| Penarth to Mosciano Sant'Angelo | 997.59 mi (1,605.46 km) |
| Penarth to Motta di Livenza | 817.43 mi (1,315.53 km) |
| Penarth to Motta Sant'Anastasia | 1,306.72 mi (2,102.96 km) |
| Penarth to Mottola | 1,216.09 mi (1,957.11 km) |
