| Opelika to Massarosa | 4,955.66 mi (7,975.36 km) |
| Opelika to Matelica | 5,093.31 mi (8,196.88 km) |
| Opelika to Matera | 5,343.68 mi (8,599.82 km) |
| Opelika to Matino | 5,435.23 mi (8,747.16 km) |
| Opelika to Mazzarino | 5,358.07 mi (8,622.98 km) |
| Opelika to Meda | 4,847.51 mi (7,801.31 km) |
| Opelika to Medesano | 4,918.36 mi (7,915.33 km) |
| Opelika to Medicina | 4,992.08 mi (8,033.98 km) |
| Opelika to Meldola | 5,021.80 mi (8,081.80 km) |
| Opelika to Melegnano | 4,863.93 mi (7,827.74 km) |
| Opelika to Melendugno | 5,435.16 mi (8,747.05 km) |
| Opelika to Melfi | 5,289.37 mi (8,512.42 km) |
| Opelika to Melilli | 5,405.09 mi (8,698.66 km) |
| Opelika to Melito di Napoli | 5,229.31 mi (8,415.76 km) |
| Opelika to Melito di Porto Salvo | 5,408.80 mi (8,704.62 km) |
