| Cluj-Napoca to Navodari | 296.21 mi (476.71 km) |
| Cluj-Napoca to Negresti-Oas | 76.55 mi (123.20 km) |
| Cluj-Napoca to Nehoiu | 162.98 mi (262.29 km) |
| Cluj-Napoca to Ocna Mures | 29.16 mi (46.92 km) |
| Cluj-Napoca to Odobesti | 180.14 mi (289.90 km) |
| Cluj-Napoca to Odorheiu Secuiesc | 87.45 mi (140.74 km) |
| Cluj-Napoca to Oltenita | 237.05 mi (381.49 km) |
| Cluj-Napoca to Onesti | 155.49 mi (250.24 km) |
| Cluj-Napoca to Oradea | 81.23 mi (130.73 km) |
| Cluj-Napoca to Orastie | 65.93 mi (106.10 km) |
| Cluj-Napoca to Oravita | 150.18 mi (241.69 km) |
| Cluj-Napoca to Orsova | 152.22 mi (244.97 km) |
| Cluj-Napoca to Otelu Rosu | 104.43 mi (168.07 km) |
| Cluj-Napoca to Otopeni | 194.60 mi (313.18 km) |
| Cluj-Napoca to Ovidiu | 296.23 mi (476.73 km) |
