| Opovo to Mislata | 1,129.53 mi (1,817.80 km) |
| Opovo to Moana | 1,462.83 mi (2,354.20 km) |
| Opovo to Moguer | 1,507.93 mi (2,426.79 km) |
| Opovo to Molina de Segura | 1,214.18 mi (1,954.04 km) |
| Opovo to Molins de Rey | 958.09 mi (1,541.90 km) |
| Opovo to Mollerusa | 1,006.92 mi (1,620.48 km) |
| Opovo to Mollet | 945.64 mi (1,521.87 km) |
| Opovo to Moncada | 947.96 mi (1,525.59 km) |
| Opovo to Moncada | 1,126.39 mi (1,812.75 km) |
| Opovo to Monforte de Lemos | 1,397.93 mi (2,249.74 km) |
| Opovo to Monforte del Cid | 1,180.27 mi (1,899.46 km) |
| Opovo to Mongat | 944.06 mi (1,519.33 km) |
| Opovo to Monovar | 1,183.37 mi (1,904.46 km) |
| Opovo to Monserrat | 1,142.13 mi (1,838.07 km) |
| Opovo to Montijo | 1,444.82 mi (2,325.21 km) |
