| Ontario to Miranda de Ebro | 5,721.45 mi (9,207.78 km) |
| Ontario to Mislata | 5,966.54 mi (9,602.22 km) |
| Ontario to Moana | 5,508.09 mi (8,864.41 km) |
| Ontario to Moguer | 5,801.15 mi (9,336.05 km) |
| Ontario to Molina de Segura | 6,000.60 mi (9,657.03 km) |
| Ontario to Molins de Rey | 5,968.40 mi (9,605.21 km) |
| Ontario to Mollerusa | 5,915.99 mi (9,520.87 km) |
| Ontario to Mollet | 5,969.85 mi (9,607.54 km) |
| Ontario to Moncada | 5,971.34 mi (9,609.94 km) |
| Ontario to Moncada | 5,964.04 mi (9,598.20 km) |
| Ontario to Monforte de Lemos | 5,548.22 mi (8,929.00 km) |
| Ontario to Monforte del Cid | 6,005.01 mi (9,664.13 km) |
| Ontario to Mongat | 5,975.69 mi (9,616.95 km) |
| Ontario to Monovar | 5,998.01 mi (9,652.86 km) |
| Ontario to Monserrat | 5,964.61 mi (9,599.11 km) |
