| Tielt to Navodari | 1,256.24 mi (2,021.73 km) |
| Tielt to Negresti-Oas | 925.44 mi (1,489.35 km) |
| Tielt to Nehoiu | 1,122.70 mi (1,806.81 km) |
| Tielt to Ocna Mures | 985.30 mi (1,585.69 km) |
| Tielt to Odobesti | 1,141.96 mi (1,837.80 km) |
| Tielt to Odorheiu Secuiesc | 1,049.33 mi (1,688.74 km) |
| Tielt to Oltenita | 1,180.97 mi (1,900.59 km) |
| Tielt to Onesti | 1,114.08 mi (1,792.94 km) |
| Tielt to Oradea | 882.13 mi (1,419.65 km) |
| Tielt to Orastie | 974.46 mi (1,568.24 km) |
| Tielt to Oravita | 939.66 mi (1,512.23 km) |
| Tielt to Orsova | 980.70 mi (1,578.28 km) |
| Tielt to Otelu Rosu | 950.11 mi (1,529.06 km) |
| Tielt to Otopeni | 1,140.34 mi (1,835.20 km) |
| Tielt to Ovidiu | 1,255.77 mi (2,020.97 km) |
