| Comines to Navodari | 1,266.68 mi (2,038.52 km) |
| Comines to Negresti-Oas | 937.81 mi (1,509.27 km) |
| Comines to Nehoiu | 1,133.25 mi (1,823.79 km) |
| Comines to Ocna Mures | 996.04 mi (1,602.97 km) |
| Comines to Odobesti | 1,153.21 mi (1,855.91 km) |
| Comines to Odorheiu Secuiesc | 1,060.53 mi (1,706.76 km) |
| Comines to Oltenita | 1,190.39 mi (1,915.75 km) |
| Comines to Onesti | 1,125.73 mi (1,811.68 km) |
| Comines to Oradea | 892.95 mi (1,437.06 km) |
| Comines to Orastie | 984.28 mi (1,584.05 km) |
| Comines to Oravita | 947.73 mi (1,525.22 km) |
| Comines to Orsova | 988.77 mi (1,591.27 km) |
| Comines to Otelu Rosu | 959.13 mi (1,543.57 km) |
| Comines to Otopeni | 1,149.98 mi (1,850.72 km) |
| Comines to Ovidiu | 1,266.14 mi (2,037.66 km) |
