| Maardu to Olivenza | 2,007.09 mi (3,230.10 km) |
| Maardu to Olot | 1,531.81 mi (2,465.21 km) |
| Maardu to Onate | 1,620.82 mi (2,608.46 km) |
| Maardu to Onda | 1,737.01 mi (2,795.45 km) |
| Maardu to Onteniente | 1,814.32 mi (2,919.86 km) |
| Maardu to Orihuela | 1,867.66 mi (3,005.71 km) |
| Maardu to Osuna | 2,033.14 mi (3,272.02 km) |
| Maardu to Ourense | 1,826.46 mi (2,939.40 km) |
| Maardu to Oviedo | 1,707.52 mi (2,748.00 km) |
| Maardu to Paiporta | 1,773.02 mi (2,853.40 km) |
| Maardu to Pajara | 2,826.02 mi (4,548.03 km) |
| Maardu to Palafolls | 1,555.47 mi (2,503.29 km) |
| Maardu to Palafrugell | 1,529.97 mi (2,462.26 km) |
| Maardu to Palamos | 1,535.14 mi (2,470.57 km) |
| Maardu to Palencia | 1,741.02 mi (2,801.89 km) |
