| Korinthos to Navodari | 530.76 mi (854.18 km) |
| Korinthos to Negresti-Oas | 686.61 mi (1,104.99 km) |
| Korinthos to Nehoiu | 541.03 mi (870.70 km) |
| Korinthos to Ocna Mures | 585.87 mi (942.87 km) |
| Korinthos to Odobesti | 581.10 mi (935.19 km) |
| Korinthos to Odorheiu Secuiesc | 591.25 mi (951.53 km) |
| Korinthos to Oltenita | 466.61 mi (750.94 km) |
| Korinthos to Onesti | 607.46 mi (977.62 km) |
| Korinthos to Oradea | 633.13 mi (1,018.93 km) |
| Korinthos to Orastie | 546.80 mi (880.00 km) |
| Korinthos to Oravita | 494.85 mi (796.39 km) |
| Korinthos to Orsova | 469.72 mi (755.94 km) |
| Korinthos to Otelu Rosu | 524.56 mi (844.20 km) |
| Korinthos to Otopeni | 485.00 mi (780.54 km) |
| Korinthos to Ovidiu | 526.36 mi (847.09 km) |
