| Bielefeld to Navodari | 1,062.10 mi (1,709.28 km) |
| Bielefeld to Negresti-Oas | 719.80 mi (1,158.41 km) |
| Bielefeld to Nehoiu | 928.80 mi (1,494.76 km) |
| Bielefeld to Ocna Mures | 791.46 mi (1,273.73 km) |
| Bielefeld to Odobesti | 942.57 mi (1,516.91 km) |
| Bielefeld to Odorheiu Secuiesc | 851.20 mi (1,369.87 km) |
| Bielefeld to Oltenita | 995.48 mi (1,602.08 km) |
| Bielefeld to Onesti | 911.99 mi (1,467.71 km) |
| Bielefeld to Oradea | 689.17 mi (1,109.11 km) |
| Bielefeld to Orastie | 788.27 mi (1,268.59 km) |
| Bielefeld to Oravita | 769.17 mi (1,237.86 km) |
| Bielefeld to Orsova | 809.40 mi (1,302.60 km) |
| Bielefeld to Otelu Rosu | 771.13 mi (1,241.01 km) |
| Bielefeld to Otopeni | 953.52 mi (1,534.54 km) |
| Bielefeld to Ovidiu | 1,062.14 mi (1,709.34 km) |
