| Buckley to Olivares | 1,098.46 mi (1,767.81 km) |
| Buckley to Olivenza | 1,018.91 mi (1,639.78 km) |
| Buckley to Olot | 801.78 mi (1,290.34 km) |
| Buckley to Onate | 701.19 mi (1,128.45 km) |
| Buckley to Onda | 922.29 mi (1,484.28 km) |
| Buckley to Onteniente | 998.43 mi (1,606.82 km) |
| Buckley to Orihuela | 1,047.36 mi (1,685.56 km) |
| Buckley to Osuna | 1,105.50 mi (1,779.13 km) |
| Buckley to Ourense | 780.42 mi (1,255.96 km) |
| Buckley to Oviedo | 689.58 mi (1,109.77 km) |
| Buckley to Paiporta | 957.96 mi (1,541.68 km) |
| Buckley to Pajara | 1,804.49 mi (2,904.04 km) |
| Buckley to Palafolls | 839.60 mi (1,351.21 km) |
| Buckley to Palafrugell | 829.66 mi (1,335.21 km) |
| Buckley to Palamos | 833.81 mi (1,341.89 km) |
