| Castle Rock to Massarosa | 5,411.30 mi (8,708.64 km) |
| Castle Rock to Matelica | 5,535.57 mi (8,908.63 km) |
| Castle Rock to Matera | 5,792.13 mi (9,321.53 km) |
| Castle Rock to Matino | 5,878.17 mi (9,460.00 km) |
| Castle Rock to Mazzarino | 5,878.18 mi (9,460.01 km) |
| Castle Rock to Meda | 5,283.81 mi (8,503.47 km) |
| Castle Rock to Medesano | 5,361.60 mi (8,628.67 km) |
| Castle Rock to Medicina | 5,427.05 mi (8,733.99 km) |
| Castle Rock to Meldola | 5,458.73 mi (8,784.98 km) |
| Castle Rock to Melegnano | 5,303.97 mi (8,535.91 km) |
| Castle Rock to Melendugno | 5,872.78 mi (9,451.33 km) |
| Castle Rock to Melfi | 5,741.85 mi (9,240.61 km) |
| Castle Rock to Melilli | 5,918.16 mi (9,524.36 km) |
| Castle Rock to Melito di Napoli | 5,696.10 mi (9,166.99 km) |
| Castle Rock to Melito di Porto Salvo | 5,904.96 mi (9,503.11 km) |
