| Yiewsley to Olivares | 1,012.64 mi (1,629.69 km) |
| Yiewsley to Olivenza | 942.45 mi (1,516.73 km) |
| Yiewsley to Olot | 659.55 mi (1,061.44 km) |
| Yiewsley to Onate | 592.89 mi (954.16 km) |
| Yiewsley to Onda | 798.12 mi (1,284.46 km) |
| Yiewsley to Onteniente | 876.87 mi (1,411.19 km) |
| Yiewsley to Orihuela | 928.03 mi (1,493.52 km) |
| Yiewsley to Osuna | 1,012.25 mi (1,629.05 km) |
| Yiewsley to Ourense | 722.80 mi (1,163.24 km) |
| Yiewsley to Oviedo | 616.36 mi (991.93 km) |
| Yiewsley to Paiporta | 835.01 mi (1,343.82 km) |
| Yiewsley to Pajara | 1,749.13 mi (2,814.95 km) |
| Yiewsley to Palafolls | 696.95 mi (1,121.63 km) |
| Yiewsley to Palafrugell | 684.75 mi (1,102.00 km) |
| Yiewsley to Palamos | 689.17 mi (1,109.11 km) |
