| Ontario to Masanasa | 5,970.31 mi (9,608.28 km) |
| Ontario to Masquefa | 5,956.55 mi (9,586.14 km) |
| Ontario to Matadepera | 5,959.65 mi (9,591.12 km) |
| Ontario to Mazarron | 6,017.60 mi (9,684.38 km) |
| Ontario to Meco | 5,801.80 mi (9,337.09 km) |
| Ontario to Medina del Campo | 5,705.07 mi (9,181.42 km) |
| Ontario to Medina Sidonia | 5,875.90 mi (9,456.35 km) |
| Ontario to Mejorada del Campo | 5,806.48 mi (9,344.62 km) |
| Ontario to Meliana | 5,966.72 mi (9,602.51 km) |
| Ontario to Mengibar | 5,898.25 mi (9,492.32 km) |
| Ontario to Merida | 5,752.03 mi (9,257.01 km) |
| Ontario to Miajadas | 5,752.28 mi (9,257.39 km) |
| Ontario to Mieres | 5,585.82 mi (8,989.52 km) |
| Ontario to Miguelturra | 5,847.73 mi (9,411.01 km) |
| Ontario to Mijas | 5,924.81 mi (9,535.06 km) |
