| Keskin to Olympia Heights (Florida) | 6,235.90 mi (10,035.71 km) |
| Keskin to Omaha (Nebraska) | 6,013.56 mi (9,677.89 km) |
| Keskin to On Top of the World Designated Place (Florida) | 6,151.95 mi (9,900.61 km) |
| Keskin to Onalaska (Wisconsin) | 5,718.96 mi (9,203.77 km) |
| Keskin to Oneida (New York) | 5,216.37 mi (8,394.94 km) |
| Keskin to Oneonta (New York) | 5,222.00 mi (8,404.00 km) |
| Keskin to Ontario (California) | 7,022.28 mi (11,301.27 km) |
| Keskin to Ontario (Oregon) | 6,370.56 mi (10,252.43 km) |
| Keskin to Opa-locka (Florida) | 6,223.61 mi (10,015.93 km) |
| Keskin to Opelika (Alabama) | 6,097.75 mi (9,813.39 km) |
| Keskin to Opelousas (Louisiana) | 6,466.37 mi (10,406.62 km) |
| Keskin to Orange (California) | 7,042.01 mi (11,333.02 km) |
| Keskin to Orange (Texas) | 6,550.29 mi (10,541.68 km) |
| Keskin to Orange City (Florida) | 6,118.49 mi (9,846.76 km) |
| Keskin to Orangeburg (South Carolina) | 5,876.33 mi (9,457.04 km) |
