| Altotting to Navodari | 805.65 mi (1,296.56 km) |
| Altotting to Negresti-Oas | 496.55 mi (799.13 km) |
| Altotting to Nehoiu | 673.46 mi (1,083.83 km) |
| Altotting to Ocna Mures | 538.47 mi (866.58 km) |
| Altotting to Odobesti | 697.87 mi (1,123.12 km) |
| Altotting to Odorheiu Secuiesc | 605.64 mi (974.69 km) |
| Altotting to Oltenita | 725.35 mi (1,167.34 km) |
| Altotting to Onesti | 673.78 mi (1,084.35 km) |
| Altotting to Oradea | 437.26 mi (703.70 km) |
| Altotting to Orastie | 521.44 mi (839.18 km) |
| Altotting to Oravita | 480.28 mi (772.94 km) |
| Altotting to Orsova | 521.32 mi (838.98 km) |
| Altotting to Otelu Rosu | 493.35 mi (793.96 km) |
| Altotting to Otopeni | 685.78 mi (1,103.65 km) |
| Altotting to Ovidiu | 804.77 mi (1,295.16 km) |
