| Tortum to Nasaud | 982.34 mi (1,580.92 km) |
| Tortum to Navodari | 719.92 mi (1,158.61 km) |
| Tortum to Negresti-Oas | 1,040.42 mi (1,674.39 km) |
| Tortum to Nehoiu | 849.83 mi (1,367.67 km) |
| Tortum to Ocna Mures | 984.32 mi (1,584.11 km) |
| Tortum to Odobesti | 825.28 mi (1,328.17 km) |
| Tortum to Odorheiu Secuiesc | 917.90 mi (1,477.22 km) |
| Tortum to Oltenita | 809.65 mi (1,303.01 km) |
| Tortum to Onesti | 851.63 mi (1,370.56 km) |
| Tortum to Oradea | 1,086.38 mi (1,748.37 km) |
| Tortum to Orastie | 1,003.32 mi (1,614.69 km) |
| Tortum to Oravita | 1,061.80 mi (1,708.80 km) |
| Tortum to Orsova | 1,023.54 mi (1,647.23 km) |
| Tortum to Otelu Rosu | 1,037.07 mi (1,669.01 km) |
| Tortum to Otopeni | 844.71 mi (1,359.43 km) |
