| Castellana Grotte to Mislata | 931.66 mi (1,499.36 km) |
| Castellana Grotte to Moana | 1,337.71 mi (2,152.84 km) |
| Castellana Grotte to Moguer | 1,307.12 mi (2,103.61 km) |
| Castellana Grotte to Molina de Segura | 997.66 mi (1,605.57 km) |
| Castellana Grotte to Molins de Rey | 788.11 mi (1,268.34 km) |
| Castellana Grotte to Mollerusa | 845.44 mi (1,360.60 km) |
| Castellana Grotte to Mollet | 777.73 mi (1,251.64 km) |
| Castellana Grotte to Moncada | 779.02 mi (1,253.71 km) |
| Castellana Grotte to Moncada | 929.64 mi (1,496.11 km) |
| Castellana Grotte to Monforte de Lemos | 1,273.79 mi (2,049.97 km) |
| Castellana Grotte to Monforte del Cid | 966.16 mi (1,554.88 km) |
| Castellana Grotte to Mongat | 774.35 mi (1,246.20 km) |
| Castellana Grotte to Monovar | 970.69 mi (1,562.17 km) |
| Castellana Grotte to Monserrat | 943.12 mi (1,517.81 km) |
| Castellana Grotte to Montijo | 1,264.19 mi (2,034.51 km) |
