| Grass Valley to Manerbio | 5,855.29 mi (9,423.18 km) |
| Grass Valley to Manfredonia | 6,230.81 mi (10,027.52 km) |
| Grass Valley to Maniago | 5,881.43 mi (9,465.25 km) |
| Grass Valley to Mantova | 5,885.73 mi (9,472.17 km) |
| Grass Valley to Maranello | 5,922.99 mi (9,532.13 km) |
| Grass Valley to Marano di Napoli | 6,225.19 mi (10,018.47 km) |
| Grass Valley to Marano Vicentino | 5,872.98 mi (9,451.66 km) |
| Grass Valley to Marcianise | 6,220.79 mi (10,011.39 km) |
| Grass Valley to Marcon | 5,905.08 mi (9,503.32 km) |
| Grass Valley to Mareno di Piave | 5,890.18 mi (9,479.33 km) |
| Grass Valley to Margherita di Savoia | 6,252.83 mi (10,062.95 km) |
| Grass Valley to Mariano Comense | 5,809.57 mi (9,349.60 km) |
| Grass Valley to Marigliano | 6,230.84 mi (10,027.56 km) |
| Grass Valley to Marino | 6,131.80 mi (9,868.17 km) |
| Grass Valley to Marostica | 5,876.53 mi (9,457.36 km) |
