| Cerkno to Olivenza | 1,187.70 mi (1,911.43 km) |
| Cerkno to Olot | 631.22 mi (1,015.85 km) |
| Cerkno to Onate | 833.63 mi (1,341.60 km) |
| Cerkno to Onda | 834.61 mi (1,343.17 km) |
| Cerkno to Onteniente | 896.83 mi (1,443.31 km) |
| Cerkno to Orihuela | 943.58 mi (1,518.54 km) |
| Cerkno to Osuna | 1,156.59 mi (1,861.36 km) |
| Cerkno to Ourense | 1,109.36 mi (1,785.35 km) |
| Cerkno to Oviedo | 989.33 mi (1,592.17 km) |
| Cerkno to Paiporta | 863.07 mi (1,388.98 km) |
| Cerkno to Pajara | 1,956.04 mi (3,147.94 km) |
| Cerkno to Palafolls | 638.00 mi (1,026.76 km) |
| Cerkno to Palafrugell | 610.87 mi (983.10 km) |
| Cerkno to Palamos | 615.00 mi (989.74 km) |
| Cerkno to Palencia | 959.89 mi (1,544.79 km) |
