| Imperial to Olivares | 5,791.63 mi (9,320.72 km) |
| Imperial to Olivenza | 5,697.66 mi (9,169.50 km) |
| Imperial to Olot | 5,936.06 mi (9,553.17 km) |
| Imperial to Onate | 5,708.02 mi (9,186.17 km) |
| Imperial to Onda | 5,929.13 mi (9,542.01 km) |
| Imperial to Onteniente | 5,966.13 mi (9,601.56 km) |
| Imperial to Orihuela | 5,984.91 mi (9,631.79 km) |
| Imperial to Osuna | 5,845.13 mi (9,406.83 km) |
| Imperial to Ourense | 5,516.81 mi (8,878.45 km) |
| Imperial to Oviedo | 5,557.68 mi (8,944.22 km) |
| Imperial to Paiporta | 5,946.80 mi (9,570.45 km) |
| Imperial to Pajara | 5,780.29 mi (9,302.48 km) |
| Imperial to Palafolls | 5,969.80 mi (9,607.46 km) |
| Imperial to Palafrugell | 5,973.97 mi (9,614.18 km) |
| Imperial to Palamos | 5,976.01 mi (9,617.46 km) |
