| Grass Valley to Massarosa | 5,945.16 mi (9,567.82 km) |
| Grass Valley to Matelica | 6,056.16 mi (9,746.46 km) |
| Grass Valley to Matera | 6,306.31 mi (10,149.03 km) |
| Grass Valley to Matino | 6,385.37 mi (10,276.26 km) |
| Grass Valley to Mazzarino | 6,434.11 mi (10,354.70 km) |
| Grass Valley to Meda | 5,810.94 mi (9,351.81 km) |
| Grass Valley to Medesano | 5,889.84 mi (9,478.78 km) |
| Grass Valley to Medicina | 5,947.51 mi (9,571.60 km) |
| Grass Valley to Meldola | 5,979.12 mi (9,622.47 km) |
| Grass Valley to Melegnano | 5,832.58 mi (9,386.62 km) |
| Grass Valley to Melendugno | 6,376.80 mi (10,262.47 km) |
| Grass Valley to Melfi | 6,260.58 mi (10,075.43 km) |
| Grass Valley to Melilli | 6,468.21 mi (10,409.58 km) |
| Grass Valley to Melito di Napoli | 6,225.65 mi (10,019.21 km) |
| Grass Valley to Melito di Porto Salvo | 6,444.88 mi (10,372.03 km) |
