| Schwalbach to Navodari | 1,081.90 mi (1,741.15 km) |
| Schwalbach to Negresti-Oas | 763.87 mi (1,229.33 km) |
| Schwalbach to Nehoiu | 949.30 mi (1,527.75 km) |
| Schwalbach to Ocna Mures | 813.40 mi (1,309.03 km) |
| Schwalbach to Odobesti | 972.28 mi (1,564.73 km) |
| Schwalbach to Odorheiu Secuiesc | 879.70 mi (1,415.74 km) |
| Schwalbach to Oltenita | 1,002.07 mi (1,612.68 km) |
| Schwalbach to Onesti | 946.81 mi (1,523.75 km) |
| Schwalbach to Oradea | 711.18 mi (1,144.53 km) |
| Schwalbach to Orastie | 797.91 mi (1,284.11 km) |
| Schwalbach to Oravita | 755.90 mi (1,216.50 km) |
| Schwalbach to Orsova | 796.86 mi (1,282.42 km) |
| Schwalbach to Otelu Rosu | 770.03 mi (1,239.25 km) |
| Schwalbach to Otopeni | 962.49 mi (1,548.97 km) |
| Schwalbach to Ovidiu | 1,081.10 mi (1,739.87 km) |
