| Tortosa to Nasaud | 1,261.48 mi (2,030.16 km) |
| Tortosa to Navodari | 1,442.61 mi (2,321.65 km) |
| Tortosa to Negresti-Oas | 1,226.37 mi (1,973.65 km) |
| Tortosa to Nehoiu | 1,332.20 mi (2,143.97 km) |
| Tortosa to Ocna Mures | 1,224.38 mi (1,970.46 km) |
| Tortosa to Odobesti | 1,371.26 mi (2,206.84 km) |
| Tortosa to Odorheiu Secuiesc | 1,291.46 mi (2,078.41 km) |
| Tortosa to Oltenita | 1,344.65 mi (2,164.00 km) |
| Tortosa to Onesti | 1,360.46 mi (2,189.45 km) |
| Tortosa to Oradea | 1,144.50 mi (1,841.90 km) |
| Tortosa to Orastie | 1,187.09 mi (1,910.44 km) |
| Tortosa to Oravita | 1,106.29 mi (1,780.40 km) |
| Tortosa to Orsova | 1,138.20 mi (1,831.76 km) |
| Tortosa to Otelu Rosu | 1,143.17 mi (1,839.75 km) |
| Tortosa to Otopeni | 1,317.45 mi (2,120.24 km) |
