| Opelika to Mombris | 4,713.71 mi (7,585.98 km) |
| Opelika to Monchengladbach | 4,572.35 mi (7,358.48 km) |
| Opelika to Monschau | 4,582.66 mi (7,375.07 km) |
| Opelika to Montabaur | 4,649.19 mi (7,482.14 km) |
| Opelika to Moosburg | 4,874.66 mi (7,845.01 km) |
| Opelika to Morbach | 4,638.13 mi (7,464.35 km) |
| Opelika to Morfelden-Walldorf | 4,692.23 mi (7,551.42 km) |
| Opelika to Morlenbach | 4,710.19 mi (7,580.32 km) |
| Opelika to Morsbach | 4,632.67 mi (7,455.56 km) |
| Opelika to Mosbach | 4,734.13 mi (7,618.84 km) |
| Opelika to Mosigkau | 4,780.01 mi (7,692.69 km) |
| Opelika to Mossingen | 4,758.84 mi (7,658.62 km) |
| Opelika to Much | 4,618.65 mi (7,433.00 km) |
| Opelika to Mucheln | 4,779.96 mi (7,692.60 km) |
| Opelika to Muhlacker | 4,733.59 mi (7,617.98 km) |
