| Opelika to Miranda de Ebro | 4,382.77 mi (7,053.38 km) |
| Opelika to Mislata | 4,588.59 mi (7,384.62 km) |
| Opelika to Moana | 4,112.85 mi (6,618.99 km) |
| Opelika to Moguer | 4,326.29 mi (6,962.49 km) |
| Opelika to Molina de Segura | 4,589.01 mi (7,385.29 km) |
| Opelika to Molins de Rey | 4,650.82 mi (7,484.78 km) |
| Opelika to Mollerusa | 4,591.78 mi (7,389.75 km) |
| Opelika to Mollet | 4,656.56 mi (7,494.00 km) |
| Opelika to Moncada | 4,656.87 mi (7,494.51 km) |
| Opelika to Moncada | 4,587.60 mi (7,383.02 km) |
| Opelika to Monforte de Lemos | 4,167.50 mi (6,706.95 km) |
| Opelika to Monforte del Cid | 4,603.83 mi (7,409.14 km) |
| Opelika to Mongat | 4,661.74 mi (7,502.34 km) |
| Opelika to Monovar | 4,596.87 mi (7,397.95 km) |
| Opelika to Monserrat | 4,582.70 mi (7,375.14 km) |
