| Buyukcekmece to Octeville | 1,570.68 mi (2,527.76 km) |
| Buyukcekmece to Oignies | 1,385.85 mi (2,230.31 km) |
| Buyukcekmece to Oissel | 1,446.51 mi (2,327.93 km) |
| Buyukcekmece to Olivet | 1,389.94 mi (2,236.89 km) |
| Buyukcekmece to Ollioules | 1,171.17 mi (1,884.82 km) |
| Buyukcekmece to Olonne-sur-Mer | 1,550.86 mi (2,495.87 km) |
| Buyukcekmece to Oloron-Sainte-Marie | 1,495.86 mi (2,407.36 km) |
| Buyukcekmece to Onet Village | 1,333.82 mi (2,146.57 km) |
| Buyukcekmece to Onnaing | 1,358.84 mi (2,186.83 km) |
| Buyukcekmece to Orange | 1,223.80 mi (1,969.52 km) |
| Buyukcekmece to Orchies | 1,375.51 mi (2,213.68 km) |
| Buyukcekmece to Orleans | 1,390.02 mi (2,237.02 km) |
| Buyukcekmece to Orly | 1,379.82 mi (2,220.60 km) |
| Buyukcekmece to Ormesson-sur-Marne | 1,374.01 mi (2,211.26 km) |
| Buyukcekmece to Orsay | 1,388.25 mi (2,234.17 km) |
