| Opelika to Mexborough | 4,212.28 mi (6,779.01 km) |
| Opelika to Mickleover | 4,213.55 mi (6,781.05 km) |
| Opelika to Middlesbrough | 4,193.06 mi (6,748.08 km) |
| Opelika to Middleton | 4,175.57 mi (6,719.93 km) |
| Opelika to Middlewich | 4,172.36 mi (6,714.77 km) |
| Opelika to Midsomer Norton | 4,208.35 mi (6,772.69 km) |
| Opelika to Mildenhall | 4,307.58 mi (6,932.38 km) |
| Opelika to Milford Haven | 4,094.29 mi (6,589.12 km) |
| Opelika to Mill Hill | 4,293.63 mi (6,909.93 km) |
| Opelika to Milngavie | 4,051.96 mi (6,521.00 km) |
| Opelika to Milnrow | 4,177.51 mi (6,723.05 km) |
| Opelika to Milton | 4,187.08 mi (6,738.46 km) |
| Opelika to Milton Keynes | 4,263.10 mi (6,860.79 km) |
| Opelika to Minehead | 4,168.86 mi (6,709.13 km) |
| Opelika to Minster | 4,340.35 mi (6,985.11 km) |
