| Olbia to Mitcham | 857.50 mi (1,380.01 km) |
| Olbia to Mold | 1,031.18 mi (1,659.52 km) |
| Olbia to Molesey | 862.91 mi (1,388.73 km) |
| Olbia to Monkseaton | 1,096.80 mi (1,765.14 km) |
| Olbia to Monmouth | 949.15 mi (1,527.51 km) |
| Olbia to Montrose | 1,215.33 mi (1,955.89 km) |
| Olbia to Morden | 858.63 mi (1,381.83 km) |
| Olbia to Morecambe | 1,073.48 mi (1,727.60 km) |
| Olbia to Moreton | 1,043.10 mi (1,678.71 km) |
| Olbia to Morley | 1,025.10 mi (1,649.73 km) |
| Olbia to Morpeth | 1,108.95 mi (1,784.68 km) |
| Olbia to Morriston | 978.26 mi (1,574.35 km) |
| Olbia to Mosbrough | 995.39 mi (1,601.93 km) |
| Olbia to Mossley | 1,022.27 mi (1,645.19 km) |
| Olbia to Moston | 1,025.89 mi (1,651.01 km) |
