| Ortahisar to Oakley (California) | 6,937.71 mi (11,165.16 km) |
| Ortahisar to Oakton (Virginia) | 5,572.60 mi (8,968.23 km) |
| Ortahisar to Oakville (Missouri) | 6,077.72 mi (9,781.15 km) |
| Ortahisar to Oatfield (Oregon) | 6,464.19 mi (10,403.11 km) |
| Ortahisar to Ocala (Florida) | 6,240.43 mi (10,043.00 km) |
| Ortahisar to Ocean Acres (New Jersey) | 5,413.06 mi (8,711.48 km) |
| Ortahisar to Ocean City (New Jersey) | 5,447.58 mi (8,767.03 km) |
| Ortahisar to Ocean Pines (Maryland) | 5,510.06 mi (8,867.59 km) |
| Ortahisar to Ocean Pointe (Hawaii) | 8,212.22 mi (13,216.30 km) |
| Ortahisar to Ocean Springs (Mississippi) | 6,445.99 mi (10,373.82 km) |
| Ortahisar to Oceanside (California) | 7,161.57 mi (11,525.43 km) |
| Ortahisar to Oceanside (New York) | 5,347.13 mi (8,605.38 km) |
| Ortahisar to Ocoee (Florida) | 6,243.94 mi (10,048.66 km) |
| Ortahisar to Oconomowoc (Wisconsin) | 5,771.01 mi (9,287.54 km) |
| Ortahisar to Odenton (Maryland) | 5,540.28 mi (8,916.23 km) |
