| Risca to Miranda de Ebro | 616.68 mi (992.45 km) |
| Risca to Mislata | 848.09 mi (1,364.88 km) |
| Risca to Moana | 696.86 mi (1,121.49 km) |
| Risca to Moguer | 1,007.09 mi (1,620.76 km) |
| Risca to Molina de Segura | 940.86 mi (1,514.17 km) |
| Risca to Molins de Rey | 744.56 mi (1,198.26 km) |
| Risca to Mollerusa | 714.51 mi (1,149.89 km) |
| Risca to Mollet | 739.60 mi (1,190.27 km) |
| Risca to Moncada | 742.45 mi (1,194.86 km) |
| Risca to Moncada | 843.41 mi (1,357.34 km) |
| Risca to Monforte de Lemos | 661.48 mi (1,064.55 km) |
| Risca to Monforte del Cid | 921.14 mi (1,482.43 km) |
| Risca to Mongat | 745.22 mi (1,199.31 km) |
| Risca to Monovar | 916.54 mi (1,475.04 km) |
| Risca to Monserrat | 854.83 mi (1,375.72 km) |
