| Castel San Giorgio to Mislata | 802.62 mi (1,291.69 km) |
| Castel San Giorgio to Moana | 1,213.43 mi (1,952.82 km) |
| Castel San Giorgio to Moguer | 1,178.01 mi (1,895.82 km) |
| Castel San Giorgio to Molina de Segura | 868.73 mi (1,398.09 km) |
| Castel San Giorgio to Molins de Rey | 661.27 mi (1,064.22 km) |
| Castel San Giorgio to Mollerusa | 719.15 mi (1,157.37 km) |
| Castel San Giorgio to Mollet | 651.19 mi (1,047.98 km) |
| Castel San Giorgio to Moncada | 652.35 mi (1,049.85 km) |
| Castel San Giorgio to Moncada | 800.63 mi (1,288.49 km) |
| Castel San Giorgio to Monforte de Lemos | 1,149.88 mi (1,850.55 km) |
| Castel San Giorgio to Monforte del Cid | 837.14 mi (1,347.24 km) |
| Castel San Giorgio to Mongat | 647.63 mi (1,042.26 km) |
| Castel San Giorgio to Monovar | 841.64 mi (1,354.48 km) |
| Castel San Giorgio to Monserrat | 814.05 mi (1,310.09 km) |
| Castel San Giorgio to Montijo | 1,135.38 mi (1,827.22 km) |
