| Mastic Beach to Montijo | 3,428.81 mi (5,518.14 km) |
| Mastic Beach to Montilla | 3,565.36 mi (5,737.89 km) |
| Mastic Beach to Montmelo | 3,773.86 mi (6,073.43 km) |
| Mastic Beach to Montornes del Valles | 3,774.96 mi (6,075.21 km) |
| Mastic Beach to Montoro | 3,564.45 mi (5,736.44 km) |
| Mastic Beach to Monzon | 3,667.46 mi (5,902.20 km) |
| Mastic Beach to Mora | 3,544.35 mi (5,704.08 km) |
| Mastic Beach to Moralzarzal | 3,506.62 mi (5,643.36 km) |
| Mastic Beach to Moron de la Frontera | 3,539.12 mi (5,695.66 km) |
| Mastic Beach to Mostoles | 3,521.27 mi (5,666.93 km) |
| Mastic Beach to Motril | 3,646.14 mi (5,867.90 km) |
| Mastic Beach to Muchamiel | 3,743.47 mi (6,024.54 km) |
| Mastic Beach to Mula | 3,704.62 mi (5,962.01 km) |
| Mastic Beach to Munguia | 3,485.91 mi (5,610.03 km) |
| Mastic Beach to Murcia | 3,723.84 mi (5,992.94 km) |
