| Opelika to Montevarchi | 5,021.10 mi (8,080.67 km) |
| Opelika to Monticello Conte Otto | 4,953.12 mi (7,971.28 km) |
| Opelika to Montichiari | 4,908.14 mi (7,898.88 km) |
| Opelika to Montignoso | 4,943.47 mi (7,955.75 km) |
| Opelika to Montopoli in Val d'Arno | 4,980.51 mi (8,015.36 km) |
| Opelika to Monza | 4,854.71 mi (7,812.91 km) |
| Opelika to Morbegno | 4,850.08 mi (7,805.45 km) |
| Opelika to Mori | 4,919.45 mi (7,917.10 km) |
| Opelika to Morlupo | 5,109.29 mi (8,222.60 km) |
| Opelika to Morrovalle | 5,116.23 mi (8,233.77 km) |
| Opelika to Mortara | 4,842.46 mi (7,793.19 km) |
| Opelika to Mosciano Sant'Angelo | 5,149.06 mi (8,286.61 km) |
| Opelika to Motta di Livenza | 4,990.62 mi (8,031.62 km) |
| Opelika to Motta Sant'Anastasia | 5,386.46 mi (8,668.67 km) |
| Opelika to Mottola | 5,364.06 mi (8,632.63 km) |
