| Blankenberge to Oestrich-Winkel | 231.96 mi (373.31 km) |
| Blankenberge to Offenburg | 290.24 mi (467.10 km) |
| Blankenberge to Oftersheim | 275.44 mi (443.28 km) |
| Blankenberge to Ohrdruf | 332.16 mi (534.55 km) |
| Blankenberge to Ohringen | 317.00 mi (510.17 km) |
| Blankenberge to Olbernhau | 446.18 mi (718.05 km) |
| Blankenberge to Olching | 423.77 mi (681.99 km) |
| Blankenberge to Oldenburg | 250.47 mi (403.09 km) |
| Blankenberge to Oldenburg in Holstein | 384.67 mi (619.07 km) |
| Blankenberge to Olfen | 185.70 mi (298.85 km) |
| Blankenberge to Olpe | 205.28 mi (330.37 km) |
| Blankenberge to Olsberg | 231.69 mi (372.86 km) |
| Blankenberge to Oranienburg | 441.41 mi (710.38 km) |
| Blankenberge to Ortenberg | 267.18 mi (429.98 km) |
| Blankenberge to Oschatz | 431.26 mi (694.04 km) |
