| Ontario to Montijo | 5,739.71 mi (9,237.16 km) |
| Ontario to Montilla | 5,881.08 mi (9,464.69 km) |
| Ontario to Montmelo | 5,970.39 mi (9,608.42 km) |
| Ontario to Montornes del Valles | 5,971.52 mi (9,610.23 km) |
| Ontario to Montoro | 5,872.24 mi (9,450.46 km) |
| Ontario to Monzon | 5,876.24 mi (9,456.90 km) |
| Ontario to Mora | 5,822.69 mi (9,370.71 km) |
| Ontario to Moralzarzal | 5,770.67 mi (9,287.00 km) |
| Ontario to Moron de la Frontera | 5,866.95 mi (9,441.95 km) |
| Ontario to Mostoles | 5,790.04 mi (9,318.17 km) |
| Ontario to Motril | 5,965.21 mi (9,600.08 km) |
| Ontario to Muchamiel | 6,014.81 mi (9,679.89 km) |
| Ontario to Mula | 5,989.95 mi (9,639.90 km) |
| Ontario to Munguia | 5,694.55 mi (9,164.49 km) |
| Ontario to Murcia | 6,007.12 mi (9,667.53 km) |
