| Sidcup to Olivares | 1,015.02 mi (1,633.52 km) |
| Sidcup to Olivenza | 946.77 mi (1,523.68 km) |
| Sidcup to Olot | 648.51 mi (1,043.67 km) |
| Sidcup to Onate | 591.73 mi (952.29 km) |
| Sidcup to Onda | 792.27 mi (1,275.03 km) |
| Sidcup to Onteniente | 871.53 mi (1,402.60 km) |
| Sidcup to Orihuela | 923.16 mi (1,485.69 km) |
| Sidcup to Osuna | 1,013.13 mi (1,630.48 km) |
| Sidcup to Ourense | 731.12 mi (1,176.62 km) |
| Sidcup to Oviedo | 622.40 mi (1,001.65 km) |
| Sidcup to Paiporta | 829.39 mi (1,334.78 km) |
| Sidcup to Pajara | 1,756.11 mi (2,826.19 km) |
| Sidcup to Palafolls | 685.67 mi (1,103.48 km) |
| Sidcup to Palafrugell | 672.68 mi (1,082.57 km) |
| Sidcup to Palamos | 677.18 mi (1,089.82 km) |
