| Bremerhaven to Oestrich-Winkel | 246.54 mi (396.77 km) |
| Bremerhaven to Offenburg | 352.35 mi (567.06 km) |
| Bremerhaven to Oftersheim | 288.77 mi (464.73 km) |
| Bremerhaven to Ohrdruf | 208.92 mi (336.23 km) |
| Bremerhaven to Ohringen | 303.14 mi (487.85 km) |
| Bremerhaven to Olbernhau | 283.29 mi (455.90 km) |
| Bremerhaven to Olching | 388.31 mi (624.92 km) |
| Bremerhaven to Oldenburg | 31.93 mi (51.38 km) |
| Bremerhaven to Oldenburg in Holstein | 106.96 mi (172.13 km) |
| Bremerhaven to Olfen | 136.29 mi (219.34 km) |
| Bremerhaven to Olpe | 177.88 mi (286.27 km) |
| Bremerhaven to Olsberg | 152.06 mi (244.72 km) |
| Bremerhaven to Oranienburg | 200.46 mi (322.61 km) |
| Bremerhaven to Ortenberg | 221.61 mi (356.65 km) |
| Bremerhaven to Oschatz | 245.87 mi (395.69 km) |
