| Portales to Mirfield | 4,788.05 mi (7,705.61 km) |
| Portales to Mitcham | 4,924.30 mi (7,924.89 km) |
| Portales to Mold | 4,753.88 mi (7,650.63 km) |
| Portales to Molesey | 4,916.54 mi (7,912.41 km) |
| Portales to Monkseaton | 4,749.23 mi (7,643.15 km) |
| Portales to Monmouth | 4,815.17 mi (7,749.27 km) |
| Portales to Montrose | 4,659.23 mi (7,498.31 km) |
| Portales to Morden | 4,922.69 mi (7,922.31 km) |
| Portales to Morecambe | 4,732.82 mi (7,616.74 km) |
| Portales to Moreton | 4,746.77 mi (7,639.19 km) |
| Portales to Morley | 4,788.74 mi (7,706.73 km) |
| Portales to Morpeth | 4,737.02 mi (7,623.50 km) |
| Portales to Morriston | 4,774.72 mi (7,684.18 km) |
| Portales to Mosbrough | 4,812.00 mi (7,744.17 km) |
| Portales to Mossley | 4,781.32 mi (7,694.80 km) |
