| Bulancak to Octeville | 2,003.06 mi (3,223.62 km) |
| Bulancak to Oignies | 1,803.01 mi (2,901.67 km) |
| Bulancak to Oissel | 1,879.49 mi (3,024.74 km) |
| Bulancak to Olivet | 1,837.85 mi (2,957.73 km) |
| Bulancak to Ollioules | 1,658.56 mi (2,669.19 km) |
| Bulancak to Olonne-sur-Mer | 2,011.99 mi (3,237.99 km) |
| Bulancak to Oloron-Sainte-Marie | 1,980.50 mi (3,187.30 km) |
| Bulancak to Onet Village | 1,812.14 mi (2,916.35 km) |
| Bulancak to Onnaing | 1,775.89 mi (2,858.01 km) |
| Bulancak to Orange | 1,704.11 mi (2,742.49 km) |
| Bulancak to Orchies | 1,792.15 mi (2,884.18 km) |
| Bulancak to Orleans | 1,837.53 mi (2,957.22 km) |
| Bulancak to Orly | 1,817.99 mi (2,925.77 km) |
| Bulancak to Ormesson-sur-Marne | 1,811.57 mi (2,915.44 km) |
| Bulancak to Orsay | 1,827.14 mi (2,940.49 km) |
