| Irthlingborough to Mancha Real | 1,014.83 mi (1,633.21 km) |
| Irthlingborough to Manilva | 1,124.37 mi (1,809.49 km) |
| Irthlingborough to Manises | 887.24 mi (1,427.88 km) |
| Irthlingborough to Manlleu | 726.03 mi (1,168.44 km) |
| Irthlingborough to Manresa | 741.10 mi (1,192.68 km) |
| Irthlingborough to Manzanares | 930.26 mi (1,497.10 km) |
| Irthlingborough to Manzanares el Real | 815.78 mi (1,312.86 km) |
| Irthlingborough to Maracena | 1,055.17 mi (1,698.14 km) |
| Irthlingborough to Marbella | 1,111.82 mi (1,789.29 km) |
| Irthlingborough to Marchena | 1,061.56 mi (1,708.41 km) |
| Irthlingborough to Marin | 782.48 mi (1,259.27 km) |
| Irthlingborough to Marratxi | 890.76 mi (1,433.54 km) |
| Irthlingborough to Martorell | 759.07 mi (1,221.61 km) |
| Irthlingborough to Martos | 1,022.18 mi (1,645.03 km) |
| Irthlingborough to Masamagrell | 881.30 mi (1,418.31 km) |
