| Cities | Distance |
|---|---|
| Cluj-Napoca to Orbetello | 677.01 mi (1,089.54 km) |
| Cluj-Napoca to Oria | 525.02 mi (844.94 km) |
| Cluj-Napoca to Oristano | 887.86 mi (1,428.88 km) |
| Cluj-Napoca to Orta Nova | 541.60 mi (871.62 km) |
| Cluj-Napoca to Orte | 625.14 mi (1,006.07 km) |
| Cluj-Napoca to Ortona | 544.90 mi (876.93 km) |
| Cluj-Napoca to Orvieto | 627.86 mi (1,010.45 km) |
| Cluj-Napoca to Orzinuovi | 660.08 mi (1,062.30 km) |
| Cluj-Napoca to Osimo | 541.58 mi (871.59 km) |
| Cluj-Napoca to Ospitaletto | 651.11 mi (1,047.86 km) |
| Cluj-Napoca to Ostuni | 512.94 mi (825.50 km) |
| Cluj-Napoca to Ottaviano | 610.22 mi (982.05 km) |
| Cluj-Napoca to Ovada | 734.40 mi (1,181.90 km) |
| Cluj-Napoca to Ozieri | 842.61 mi (1,356.05 km) |
| Cluj-Napoca to Paceco | 826.34 mi (1,329.86 km) |