| Tring to Nasaud | 1,159.84 mi (1,866.58 km) |
| Tring to Navodari | 1,435.20 mi (2,309.72 km) |
| Tring to Negresti-Oas | 1,101.51 mi (1,772.71 km) |
| Tring to Nehoiu | 1,301.56 mi (2,094.66 km) |
| Tring to Ocna Mures | 1,163.99 mi (1,873.27 km) |
| Tring to Odobesti | 1,319.87 mi (2,124.13 km) |
| Tring to Odorheiu Secuiesc | 1,227.38 mi (1,975.28 km) |
| Tring to Oltenita | 1,360.84 mi (2,190.06 km) |
| Tring to Onesti | 1,291.37 mi (2,078.26 km) |
| Tring to Oradea | 1,060.78 mi (1,707.17 km) |
| Tring to Orastie | 1,154.09 mi (1,857.32 km) |
| Tring to Oravita | 1,120.03 mi (1,802.51 km) |
| Tring to Orsova | 1,161.06 mi (1,868.55 km) |
| Tring to Otelu Rosu | 1,130.24 mi (1,818.95 km) |
| Tring to Otopeni | 1,320.07 mi (2,124.44 km) |
