| River Grove to Massarosa | 4,646.25 mi (7,477.42 km) |
| River Grove to Matelica | 4,777.97 mi (7,689.40 km) |
| River Grove to Matera | 5,034.20 mi (8,101.76 km) |
| River Grove to Matino | 5,123.66 mi (8,245.73 km) |
| River Grove to Mazzarino | 5,088.93 mi (8,189.84 km) |
| River Grove to Meda | 4,526.41 mi (7,284.55 km) |
| River Grove to Medesano | 4,601.78 mi (7,405.84 km) |
| River Grove to Medicina | 4,671.77 mi (7,518.48 km) |
| River Grove to Meldola | 4,702.85 mi (7,568.50 km) |
| River Grove to Melegnano | 4,545.03 mi (7,314.53 km) |
| River Grove to Melendugno | 5,120.72 mi (8,241.01 km) |
| River Grove to Melfi | 4,981.55 mi (8,017.03 km) |
| River Grove to Melilli | 5,132.32 mi (8,259.67 km) |
| River Grove to Melito di Napoli | 4,928.78 mi (7,932.10 km) |
| River Grove to Melito di Porto Salvo | 5,126.41 mi (8,250.17 km) |
