| Buyukcekmece to Orbetello | 899.17 mi (1,447.07 km) |
| Buyukcekmece to Oria | 573.51 mi (922.98 km) |
| Buyukcekmece to Oristano | 1,051.13 mi (1,691.63 km) |
| Buyukcekmece to Orta Nova | 668.85 mi (1,076.41 km) |
| Buyukcekmece to Orte | 839.36 mi (1,350.83 km) |
| Buyukcekmece to Ortona | 736.43 mi (1,185.17 km) |
| Buyukcekmece to Orvieto | 853.96 mi (1,374.31 km) |
| Buyukcekmece to Orzinuovi | 983.81 mi (1,583.29 km) |
| Buyukcekmece to Osimo | 789.31 mi (1,270.27 km) |
| Buyukcekmece to Ospitaletto | 979.34 mi (1,576.10 km) |
| Buyukcekmece to Ostuni | 574.33 mi (924.29 km) |
| Buyukcekmece to Ottaviano | 735.27 mi (1,183.30 km) |
| Buyukcekmece to Ovada | 1,037.56 mi (1,669.78 km) |
| Buyukcekmece to Ozieri | 1,022.05 mi (1,644.83 km) |
| Buyukcekmece to Paceco | 878.46 mi (1,413.74 km) |
