| Bulancak to Oerlinghausen | 1,585.09 mi (2,550.96 km) |
| Bulancak to Oestrich-Winkel | 1,579.50 mi (2,541.96 km) |
| Bulancak to Offenburg | 1,564.28 mi (2,517.47 km) |
| Bulancak to Oftersheim | 1,545.36 mi (2,487.01 km) |
| Bulancak to Ohrdruf | 1,476.97 mi (2,376.96 km) |
| Bulancak to Ohringen | 1,502.60 mi (2,418.21 km) |
| Bulancak to Olbernhau | 1,365.55 mi (2,197.65 km) |
| Bulancak to Olching | 1,407.97 mi (2,265.91 km) |
| Bulancak to Oldenburg | 1,628.34 mi (2,620.56 km) |
| Bulancak to Oldenburg in Holstein | 1,557.17 mi (2,506.02 km) |
| Bulancak to Olfen | 1,633.02 mi (2,628.09 km) |
| Bulancak to Olpe | 1,602.20 mi (2,578.49 km) |
| Bulancak to Olsberg | 1,580.77 mi (2,544.00 km) |
| Bulancak to Oranienburg | 1,424.39 mi (2,292.33 km) |
| Bulancak to Ortenberg | 1,539.36 mi (2,477.36 km) |
