| East Retford to Olivares | 1,126.94 mi (1,813.63 km) |
| East Retford to Olivenza | 1,052.64 mi (1,694.06 km) |
| East Retford to Olot | 785.84 mi (1,264.69 km) |
| East Retford to Onate | 714.13 mi (1,149.28 km) |
| East Retford to Onda | 923.66 mi (1,486.48 km) |
| East Retford to Onteniente | 1,002.02 mi (1,612.60 km) |
| East Retford to Orihuela | 1,052.79 mi (1,694.30 km) |
| East Retford to Osuna | 1,129.41 mi (1,817.61 km) |
| East Retford to Ourense | 823.23 mi (1,324.86 km) |
| East Retford to Oviedo | 723.80 mi (1,164.85 km) |
| East Retford to Paiporta | 960.37 mi (1,545.57 km) |
| East Retford to Pajara | 1,850.61 mi (2,978.27 km) |
| East Retford to Palafolls | 823.15 mi (1,324.74 km) |
| East Retford to Palafrugell | 810.56 mi (1,304.47 km) |
| East Retford to Palamos | 815.03 mi (1,311.66 km) |
