| Olivenza to Mitcham | 940.71 mi (1,513.92 km) |
| Olivenza to Mold | 1,018.09 mi (1,638.46 km) |
| Olivenza to Molesey | 937.11 mi (1,508.13 km) |
| Olivenza to Monkseaton | 1,160.24 mi (1,867.22 km) |
| Olivenza to Monmouth | 931.06 mi (1,498.39 km) |
| Olivenza to Montrose | 1,263.01 mi (2,032.62 km) |
| Olivenza to Morden | 940.00 mi (1,512.79 km) |
| Olivenza to Morecambe | 1,081.62 mi (1,740.69 km) |
| Olivenza to Moreton | 1,034.15 mi (1,664.31 km) |
| Olivenza to Morley | 1,072.66 mi (1,726.27 km) |
| Olivenza to Morpeth | 1,166.17 mi (1,876.77 km) |
| Olivenza to Morriston | 909.66 mi (1,463.95 km) |
| Olivenza to Mosbrough | 1,047.45 mi (1,685.70 km) |
| Olivenza to Mossley | 1,052.22 mi (1,693.38 km) |
| Olivenza to Moston | 1,050.72 mi (1,690.98 km) |
