| Owings Mills to Montijo | 3,657.68 mi (5,886.46 km) |
| Owings Mills to Montilla | 3,794.12 mi (6,106.05 km) |
| Owings Mills to Montmelo | 4,002.13 mi (6,440.80 km) |
| Owings Mills to Montornes del Valles | 4,003.23 mi (6,442.58 km) |
| Owings Mills to Montoro | 3,793.31 mi (6,104.74 km) |
| Owings Mills to Monzon | 3,895.86 mi (6,269.78 km) |
| Owings Mills to Mora | 3,773.35 mi (6,072.62 km) |
| Owings Mills to Moralzarzal | 3,735.58 mi (6,011.84 km) |
| Owings Mills to Moron de la Frontera | 3,767.69 mi (6,063.51 km) |
| Owings Mills to Mostoles | 3,750.25 mi (6,035.44 km) |
| Owings Mills to Motril | 3,874.81 mi (6,235.91 km) |
| Owings Mills to Muchamiel | 3,972.48 mi (6,393.09 km) |
| Owings Mills to Mula | 3,933.60 mi (6,330.52 km) |
| Owings Mills to Munguia | 3,714.15 mi (5,977.35 km) |
| Owings Mills to Murcia | 3,952.83 mi (6,361.46 km) |
