| Sankt Valentin to Navodari | 722.20 mi (1,162.27 km) |
| Sankt Valentin to Negresti-Oas | 411.18 mi (661.74 km) |
| Sankt Valentin to Nehoiu | 589.55 mi (948.78 km) |
| Sankt Valentin to Ocna Mures | 453.89 mi (730.47 km) |
| Sankt Valentin to Odobesti | 613.10 mi (986.69 km) |
| Sankt Valentin to Odorheiu Secuiesc | 520.72 mi (838.02 km) |
| Sankt Valentin to Oltenita | 643.74 mi (1,035.99 km) |
| Sankt Valentin to Onesti | 588.60 mi (947.27 km) |
| Sankt Valentin to Oradea | 352.22 mi (566.85 km) |
| Sankt Valentin to Orastie | 438.44 mi (705.60 km) |
| Sankt Valentin to Oravita | 402.42 mi (647.64 km) |
| Sankt Valentin to Orsova | 443.40 mi (713.59 km) |
| Sankt Valentin to Otelu Rosu | 412.32 mi (663.56 km) |
| Sankt Valentin to Otopeni | 603.61 mi (971.41 km) |
| Sankt Valentin to Ovidiu | 721.43 mi (1,161.03 km) |
