| Celje to Olivenza | 1,248.18 mi (2,008.75 km) |
| Celje to Olot | 691.03 mi (1,112.10 km) |
| Celje to Onate | 895.10 mi (1,440.53 km) |
| Celje to Onda | 893.23 mi (1,437.51 km) |
| Celje to Onteniente | 954.25 mi (1,535.72 km) |
| Celje to Orihuela | 1,000.32 mi (1,609.86 km) |
| Celje to Osuna | 1,215.25 mi (1,955.76 km) |
| Celje to Ourense | 1,170.83 mi (1,884.27 km) |
| Celje to Oviedo | 1,050.71 mi (1,690.96 km) |
| Celje to Paiporta | 921.13 mi (1,482.41 km) |
| Celje to Pajara | 2,013.29 mi (3,240.07 km) |
| Celje to Palafolls | 696.90 mi (1,121.56 km) |
| Celje to Palafrugell | 669.87 mi (1,078.05 km) |
| Celje to Palamos | 673.90 mi (1,084.54 km) |
| Celje to Palencia | 1,021.29 mi (1,643.61 km) |
