| Castle Rock to Marsala | 5,786.87 mi (9,313.06 km) |
| Castle Rock to Marsciano | 5,528.68 mi (8,897.55 km) |
| Castle Rock to Martano | 5,875.14 mi (9,455.13 km) |
| Castle Rock to Martellago | 5,392.99 mi (8,679.17 km) |
| Castle Rock to Martina Franca | 5,815.78 mi (9,359.59 km) |
| Castle Rock to Martinengo | 5,309.41 mi (8,544.67 km) |
| Castle Rock to Martinsicuro | 5,585.83 mi (8,989.52 km) |
| Castle Rock to Mascali | 5,892.21 mi (9,482.60 km) |
| Castle Rock to Mascalucia | 5,896.08 mi (9,488.82 km) |
| Castle Rock to Masera di Padova | 5,394.32 mi (8,681.32 km) |
| Castle Rock to Maserada sul Piave | 5,388.41 mi (8,671.81 km) |
| Castle Rock to Massa | 5,396.14 mi (8,684.24 km) |
| Castle Rock to Massa Lombarda | 5,435.06 mi (8,746.88 km) |
| Castle Rock to Massafra | 5,814.37 mi (9,357.32 km) |
| Castle Rock to Massalubrense | 5,715.44 mi (9,198.12 km) |
