| Rio de Mouro to Olivenza | 120.44 mi (193.83 km) |
| Rio de Mouro to Olot | 663.87 mi (1,068.40 km) |
| Rio de Mouro to Onate | 465.83 mi (749.68 km) |
| Rio de Mouro to Onda | 491.17 mi (790.46 km) |
| Rio de Mouro to Onteniente | 469.71 mi (755.92 km) |
| Rio de Mouro to Orihuela | 456.19 mi (734.16 km) |
| Rio de Mouro to Osuna | 253.67 mi (408.24 km) |
| Rio de Mouro to Ourense | 258.27 mi (415.64 km) |
| Rio de Mouro to Oviedo | 365.48 mi (588.18 km) |
| Rio de Mouro to Paiporta | 479.96 mi (772.42 km) |
| Rio de Mouro to Pajara | 770.11 mi (1,239.37 km) |
| Rio de Mouro to Palafolls | 667.57 mi (1,074.36 km) |
| Rio de Mouro to Palafrugell | 692.31 mi (1,114.16 km) |
| Rio de Mouro to Palamos | 689.40 mi (1,109.48 km) |
| Rio de Mouro to Palencia | 337.74 mi (543.55 km) |
