| Runcorn to Olivares | 1,112.42 mi (1,790.26 km) |
| Runcorn to Olivenza | 1,033.60 mi (1,663.42 km) |
| Runcorn to Olot | 807.77 mi (1,299.97 km) |
| Runcorn to Onate | 712.40 mi (1,146.50 km) |
| Runcorn to Onda | 931.67 mi (1,499.38 km) |
| Runcorn to Onteniente | 1,008.26 mi (1,622.64 km) |
| Runcorn to Orihuela | 1,057.54 mi (1,701.95 km) |
| Runcorn to Osuna | 1,118.77 mi (1,800.48 km) |
| Runcorn to Ourense | 796.23 mi (1,281.41 km) |
| Runcorn to Oviedo | 704.15 mi (1,133.21 km) |
| Runcorn to Paiporta | 967.55 mi (1,557.12 km) |
| Runcorn to Pajara | 1,820.94 mi (2,930.52 km) |
| Runcorn to Palafolls | 845.52 mi (1,360.73 km) |
| Runcorn to Palafrugell | 835.03 mi (1,343.86 km) |
| Runcorn to Palamos | 839.25 mi (1,350.65 km) |
