| Alton to Miranda de Ebro | 592.16 mi (952.99 km) |
| Alton to Mislata | 807.10 mi (1,298.91 km) |
| Alton to Moana | 713.85 mi (1,148.83 km) |
| Alton to Moguer | 1,000.85 mi (1,610.72 km) |
| Alton to Molina de Segura | 904.85 mi (1,456.22 km) |
| Alton to Molins de Rey | 687.54 mi (1,106.49 km) |
| Alton to Mollerusa | 663.61 mi (1,067.97 km) |
| Alton to Mollet | 681.28 mi (1,096.42 km) |
| Alton to Moncada | 684.35 mi (1,101.36 km) |
| Alton to Moncada | 802.26 mi (1,291.12 km) |
| Alton to Monforte de Lemos | 671.20 mi (1,080.20 km) |
| Alton to Monforte del Cid | 882.44 mi (1,420.16 km) |
| Alton to Mongat | 686.67 mi (1,105.08 km) |
| Alton to Monovar | 878.40 mi (1,413.65 km) |
| Alton to Monserrat | 814.97 mi (1,311.57 km) |
