| Weilburg to Navodari | 1,038.75 mi (1,671.70 km) |
| Weilburg to Negresti-Oas | 707.39 mi (1,138.44 km) |
| Weilburg to Nehoiu | 905.12 mi (1,456.65 km) |
| Weilburg to Ocna Mures | 767.59 mi (1,235.31 km) |
| Weilburg to Odobesti | 923.88 mi (1,486.85 km) |
| Weilburg to Odorheiu Secuiesc | 831.29 mi (1,337.84 km) |
| Weilburg to Oltenita | 964.91 mi (1,552.88 km) |
| Weilburg to Onesti | 895.90 mi (1,441.81 km) |
| Weilburg to Oradea | 664.38 mi (1,069.22 km) |
| Weilburg to Orastie | 757.89 mi (1,219.71 km) |
| Weilburg to Oravita | 726.97 mi (1,169.94 km) |
| Weilburg to Orsova | 767.91 mi (1,235.83 km) |
| Weilburg to Otelu Rosu | 735.07 mi (1,182.98 km) |
| Weilburg to Otopeni | 923.94 mi (1,486.94 km) |
| Weilburg to Ovidiu | 1,038.34 mi (1,671.05 km) |
