| Buyukcekmece to Olympia Heights (Florida) | 5,962.82 mi (9,596.23 km) |
| Buyukcekmece to Omaha (Nebraska) | 5,779.82 mi (9,301.73 km) |
| Buyukcekmece to On Top of the World Designated Place (Florida) | 5,883.59 mi (9,468.73 km) |
| Buyukcekmece to Onalaska (Wisconsin) | 5,482.21 mi (8,822.77 km) |
| Buyukcekmece to Oneida (New York) | 4,959.40 mi (7,981.38 km) |
| Buyukcekmece to Oneonta (New York) | 4,963.48 mi (7,987.95 km) |
| Buyukcekmece to Ontario (California) | 6,822.68 mi (10,980.04 km) |
| Buyukcekmece to Ontario (Oregon) | 6,183.70 mi (9,951.70 km) |
| Buyukcekmece to Opa-locka (Florida) | 5,950.61 mi (9,576.58 km) |
| Buyukcekmece to Opelika (Alabama) | 5,836.54 mi (9,393.01 km) |
| Buyukcekmece to Opelousas (Louisiana) | 6,210.69 mi (9,995.14 km) |
| Buyukcekmece to Orange (California) | 6,842.65 mi (11,012.18 km) |
| Buyukcekmece to Orange (Texas) | 6,296.41 mi (10,133.09 km) |
| Buyukcekmece to Orange City (Florida) | 5,849.07 mi (9,413.17 km) |
| Buyukcekmece to Orangeburg (South Carolina) | 5,611.44 mi (9,030.73 km) |
