| Muscle Shoals to Montijo | 4,335.97 mi (6,978.06 km) |
| Muscle Shoals to Montilla | 4,472.18 mi (7,197.27 km) |
| Muscle Shoals to Montmelo | 4,678.39 mi (7,529.14 km) |
| Muscle Shoals to Montornes del Valles | 4,679.50 mi (7,530.92 km) |
| Muscle Shoals to Montoro | 4,471.57 mi (7,196.30 km) |
| Muscle Shoals to Monzon | 4,572.50 mi (7,358.73 km) |
| Muscle Shoals to Mora | 4,451.84 mi (7,164.54 km) |
| Muscle Shoals to Moralzarzal | 4,413.88 mi (7,103.45 km) |
| Muscle Shoals to Moron de la Frontera | 4,445.33 mi (7,154.06 km) |
| Muscle Shoals to Mostoles | 4,428.63 mi (7,127.19 km) |
| Muscle Shoals to Motril | 4,552.68 mi (7,326.83 km) |
| Muscle Shoals to Muchamiel | 4,650.96 mi (7,485.00 km) |
| Muscle Shoals to Mula | 4,612.09 mi (7,422.45 km) |
| Muscle Shoals to Munguia | 4,390.38 mi (7,065.64 km) |
| Muscle Shoals to Murcia | 4,631.33 mi (7,453.40 km) |
