| Bockhorn to Oestrich-Winkel | 234.92 mi (378.06 km) |
| Bockhorn to Offenburg | 340.88 mi (548.59 km) |
| Bockhorn to Oftersheim | 279.48 mi (449.78 km) |
| Bockhorn to Ohrdruf | 211.76 mi (340.80 km) |
| Bockhorn to Ohringen | 297.16 mi (478.24 km) |
| Bockhorn to Olbernhau | 294.37 mi (473.75 km) |
| Bockhorn to Olching | 387.00 mi (622.82 km) |
| Bockhorn to Oldenburg | 19.48 mi (31.35 km) |
| Bockhorn to Oldenburg in Holstein | 132.34 mi (212.98 km) |
| Bockhorn to Olfen | 119.31 mi (192.01 km) |
| Bockhorn to Olpe | 164.85 mi (265.31 km) |
| Bockhorn to Olsberg | 143.00 mi (230.14 km) |
| Bockhorn to Oranienburg | 221.16 mi (355.93 km) |
| Bockhorn to Ortenberg | 214.94 mi (345.92 km) |
| Bockhorn to Oschatz | 259.14 mi (417.05 km) |
