| Swallownest to Nasaud | 1,202.32 mi (1,934.94 km) |
| Swallownest to Navodari | 1,483.47 mi (2,387.41 km) |
| Swallownest to Negresti-Oas | 1,142.56 mi (1,838.78 km) |
| Swallownest to Nehoiu | 1,349.92 mi (2,172.49 km) |
| Swallownest to Ocna Mures | 1,212.29 mi (1,951.00 km) |
| Swallownest to Odobesti | 1,364.85 mi (2,196.52 km) |
| Swallownest to Odorheiu Secuiesc | 1,273.16 mi (2,048.96 km) |
| Swallownest to Oltenita | 1,414.00 mi (2,275.62 km) |
| Swallownest to Onesti | 1,334.60 mi (2,147.83 km) |
| Swallownest to Oradea | 1,109.47 mi (1,785.51 km) |
| Swallownest to Orastie | 1,206.51 mi (1,941.70 km) |
| Swallownest to Oravita | 1,179.79 mi (1,898.69 km) |
| Swallownest to Orsova | 1,220.64 mi (1,964.43 km) |
| Swallownest to Otelu Rosu | 1,186.18 mi (1,908.97 km) |
| Swallownest to Otopeni | 1,372.45 mi (2,208.74 km) |
