| Pont-y-pwl to Miranda de Ebro | 623.22 mi (1,002.98 km) |
| Pont-y-pwl to Mislata | 854.21 mi (1,374.71 km) |
| Pont-y-pwl to Moana | 703.72 mi (1,132.53 km) |
| Pont-y-pwl to Moguer | 1,013.96 mi (1,631.81 km) |
| Pont-y-pwl to Molina de Segura | 947.16 mi (1,524.30 km) |
| Pont-y-pwl to Molins de Rey | 749.94 mi (1,206.92 km) |
| Pont-y-pwl to Mollerusa | 720.19 mi (1,159.03 km) |
| Pont-y-pwl to Mollet | 744.91 mi (1,198.81 km) |
| Pont-y-pwl to Moncada | 747.77 mi (1,203.42 km) |
| Pont-y-pwl to Moncada | 849.52 mi (1,367.16 km) |
| Pont-y-pwl to Monforte de Lemos | 668.38 mi (1,075.66 km) |
| Pont-y-pwl to Monforte del Cid | 927.35 mi (1,492.42 km) |
| Pont-y-pwl to Mongat | 750.52 mi (1,207.84 km) |
| Pont-y-pwl to Monovar | 922.77 mi (1,485.05 km) |
| Pont-y-pwl to Monserrat | 860.98 mi (1,385.62 km) |
