| Idanha-a-Nova to Mitcham | 863.05 mi (1,388.95 km) |
| Idanha-a-Nova to Mold | 935.55 mi (1,505.62 km) |
| Idanha-a-Nova to Molesey | 859.13 mi (1,382.63 km) |
| Idanha-a-Nova to Monkseaton | 1,078.44 mi (1,735.57 km) |
| Idanha-a-Nova to Monmouth | 849.53 mi (1,367.19 km) |
| Idanha-a-Nova to Montrose | 1,179.95 mi (1,898.95 km) |
| Idanha-a-Nova to Morden | 862.28 mi (1,387.70 km) |
| Idanha-a-Nova to Morecambe | 999.00 mi (1,607.73 km) |
| Idanha-a-Nova to Moreton | 951.55 mi (1,531.37 km) |
| Idanha-a-Nova to Morley | 991.32 mi (1,595.38 km) |
| Idanha-a-Nova to Morpeth | 1,084.12 mi (1,744.73 km) |
| Idanha-a-Nova to Morriston | 826.85 mi (1,330.69 km) |
| Idanha-a-Nova to Mosbrough | 966.59 mi (1,555.58 km) |
| Idanha-a-Nova to Mossley | 970.57 mi (1,561.98 km) |
| Idanha-a-Nova to Moston | 968.93 mi (1,559.35 km) |
