| River Ridge to Massarosa | 5,292.89 mi (8,518.08 km) |
| River Ridge to Matelica | 5,430.13 mi (8,738.94 km) |
| River Ridge to Matera | 5,681.27 mi (9,143.12 km) |
| River Ridge to Matino | 5,772.72 mi (9,290.30 km) |
| River Ridge to Mazzarino | 5,698.33 mi (9,170.58 km) |
| River Ridge to Meda | 5,183.50 mi (8,342.03 km) |
| River Ridge to Medesano | 5,254.88 mi (8,456.91 km) |
| River Ridge to Medicina | 5,328.31 mi (8,575.08 km) |
| River Ridge to Meldola | 5,358.19 mi (8,623.18 km) |
| River Ridge to Melegnano | 5,200.16 mi (8,368.85 km) |
| River Ridge to Melendugno | 5,772.39 mi (9,289.77 km) |
| River Ridge to Melfi | 5,627.06 mi (9,055.87 km) |
| River Ridge to Melilli | 5,745.21 mi (9,246.03 km) |
| River Ridge to Melito di Napoli | 5,567.54 mi (8,960.09 km) |
| River Ridge to Melito di Porto Salvo | 5,748.41 mi (9,251.16 km) |
