| Bollnas to Nasaud | 1,022.22 mi (1,645.11 km) |
| Bollnas to Navodari | 1,277.32 mi (2,055.65 km) |
| Bollnas to Negresti-Oas | 971.50 mi (1,563.48 km) |
| Bollnas to Nehoiu | 1,175.22 mi (1,891.34 km) |
| Bollnas to Ocna Mures | 1,075.66 mi (1,731.11 km) |
| Bollnas to Odobesti | 1,158.78 mi (1,864.88 km) |
| Bollnas to Odorheiu Secuiesc | 1,098.06 mi (1,767.16 km) |
| Bollnas to Oltenita | 1,263.81 mi (2,033.90 km) |
| Bollnas to Onesti | 1,122.05 mi (1,805.76 km) |
| Bollnas to Oradea | 1,010.45 mi (1,626.16 km) |
| Bollnas to Orastie | 1,105.14 mi (1,778.55 km) |
| Bollnas to Oravita | 1,146.93 mi (1,845.81 km) |
| Bollnas to Orsova | 1,174.09 mi (1,889.51 km) |
| Bollnas to Otelu Rosu | 1,119.75 mi (1,802.06 km) |
| Bollnas to Otopeni | 1,225.46 mi (1,972.19 km) |
