| Castleton to Montijo | 1,035.80 mi (1,666.97 km) |
| Castleton to Montilla | 1,112.21 mi (1,789.93 km) |
| Castleton to Montmelo | 856.36 mi (1,378.19 km) |
| Castleton to Montornes del Valles | 857.25 mi (1,379.61 km) |
| Castleton to Montoro | 1,081.17 mi (1,739.98 km) |
| Castleton to Monzon | 814.37 mi (1,310.61 km) |
| Castleton to Mora | 963.80 mi (1,551.09 km) |
| Castleton to Moralzarzal | 896.30 mi (1,442.45 km) |
| Castleton to Moron de la Frontera | 1,148.63 mi (1,848.54 km) |
| Castleton to Mostoles | 919.40 mi (1,479.63 km) |
| Castleton to Motril | 1,165.36 mi (1,875.47 km) |
| Castleton to Muchamiel | 1,051.83 mi (1,692.76 km) |
| Castleton to Mula | 1,074.81 mi (1,729.74 km) |
| Castleton to Munguia | 707.90 mi (1,139.26 km) |
| Castleton to Murcia | 1,079.31 mi (1,736.99 km) |
