| Opelika to Manerbio | 4,898.61 mi (7,883.54 km) |
| Opelika to Manfredonia | 5,278.05 mi (8,494.19 km) |
| Opelika to Maniago | 4,982.25 mi (8,018.15 km) |
| Opelika to Mantova | 4,933.68 mi (7,940.00 km) |
| Opelika to Maranello | 4,957.23 mi (7,977.88 km) |
| Opelika to Marano di Napoli | 5,227.67 mi (8,413.11 km) |
| Opelika to Marano Vicentino | 4,943.47 mi (7,955.74 km) |
| Opelika to Marcianise | 5,228.13 mi (8,413.86 km) |
| Opelika to Marcon | 4,985.05 mi (8,022.66 km) |
| Opelika to Mareno di Piave | 4,977.75 mi (8,010.92 km) |
| Opelika to Margherita di Savoia | 5,298.04 mi (8,526.37 km) |
| Opelika to Mariano Comense | 4,847.19 mi (7,800.79 km) |
| Opelika to Marigliano | 5,238.40 mi (8,430.39 km) |
| Opelika to Marino | 5,129.48 mi (8,255.10 km) |
| Opelika to Marostica | 4,951.41 mi (7,968.52 km) |
