| Kolbermoor to Navodari | 827.71 mi (1,332.06 km) |
| Kolbermoor to Negresti-Oas | 526.04 mi (846.58 km) |
| Kolbermoor to Nehoiu | 696.47 mi (1,120.86 km) |
| Kolbermoor to Ocna Mures | 562.99 mi (906.04 km) |
| Kolbermoor to Odobesti | 722.58 mi (1,162.89 km) |
| Kolbermoor to Odorheiu Secuiesc | 630.86 mi (1,015.27 km) |
| Kolbermoor to Oltenita | 745.04 mi (1,199.03 km) |
| Kolbermoor to Onesti | 699.67 mi (1,126.02 km) |
| Kolbermoor to Oradea | 463.14 mi (745.35 km) |
| Kolbermoor to Orastie | 543.39 mi (874.51 km) |
| Kolbermoor to Oravita | 496.94 mi (799.74 km) |
| Kolbermoor to Orsova | 537.81 mi (865.53 km) |
| Kolbermoor to Otelu Rosu | 513.01 mi (825.60 km) |
| Kolbermoor to Otopeni | 706.23 mi (1,136.56 km) |
| Kolbermoor to Ovidiu | 826.67 mi (1,330.39 km) |
