| Opelika to Mirfield | 4,192.76 mi (6,747.59 km) |
| Opelika to Mitcham | 4,301.63 mi (6,922.80 km) |
| Opelika to Mold | 4,145.36 mi (6,671.31 km) |
| Opelika to Molesey | 4,292.99 mi (6,908.89 km) |
| Opelika to Monkseaton | 4,175.65 mi (6,720.05 km) |
| Opelika to Monmouth | 4,188.03 mi (6,739.99 km) |
| Opelika to Montrose | 4,108.29 mi (6,611.65 km) |
| Opelika to Morden | 4,299.85 mi (6,919.93 km) |
| Opelika to Morecambe | 4,139.09 mi (6,661.22 km) |
| Opelika to Moreton | 4,141.89 mi (6,665.73 km) |
| Opelika to Morley | 4,194.82 mi (6,750.91 km) |
| Opelika to Morpeth | 4,164.51 mi (6,702.12 km) |
| Opelika to Morriston | 4,140.77 mi (6,663.92 km) |
| Opelika to Mosbrough | 4,212.63 mi (6,779.57 km) |
| Opelika to Mossley | 4,182.19 mi (6,730.59 km) |
