| Swindon to Mancha Real | 955.83 mi (1,538.26 km) |
| Swindon to Manilva | 1,062.40 mi (1,709.76 km) |
| Swindon to Manises | 836.86 mi (1,346.80 km) |
| Swindon to Manlleu | 687.67 mi (1,106.69 km) |
| Swindon to Manresa | 700.45 mi (1,127.26 km) |
| Swindon to Manzanares | 871.45 mi (1,402.47 km) |
| Swindon to Manzanares el Real | 754.99 mi (1,215.04 km) |
| Swindon to Maracena | 996.31 mi (1,603.40 km) |
| Swindon to Marbella | 1,050.51 mi (1,690.63 km) |
| Swindon to Marchena | 998.88 mi (1,607.54 km) |
| Swindon to Marin | 711.68 mi (1,145.33 km) |
| Swindon to Marratxi | 851.67 mi (1,370.64 km) |
| Swindon to Martorell | 718.59 mi (1,156.45 km) |
| Swindon to Martos | 962.39 mi (1,548.81 km) |
| Swindon to Masamagrell | 831.33 mi (1,337.89 km) |
