| Surdulica to Olympia Heights (Florida) | 5,618.58 mi (9,042.23 km) |
| Surdulica to Omaha (Nebraska) | 5,477.88 mi (8,815.80 km) |
| Surdulica to On Top of the World Designated Place (Florida) | 5,543.90 mi (8,922.04 km) |
| Surdulica to Onalaska (Wisconsin) | 5,177.39 mi (8,332.21 km) |
| Surdulica to Oneida (New York) | 4,632.42 mi (7,455.17 km) |
| Surdulica to Oneonta (New York) | 4,634.80 mi (7,458.99 km) |
| Surdulica to Ontario (California) | 6,557.00 mi (10,552.47 km) |
| Surdulica to Ontario (Oregon) | 5,934.86 mi (9,551.23 km) |
| Surdulica to Opa-locka (Florida) | 5,606.45 mi (9,022.71 km) |
| Surdulica to Opelika (Alabama) | 5,504.21 mi (8,858.17 km) |
| Surdulica to Opelousas (Louisiana) | 5,883.89 mi (9,469.20 km) |
| Surdulica to Orange (California) | 6,577.19 mi (10,584.96 km) |
| Surdulica to Orange (Texas) | 5,971.44 mi (9,610.10 km) |
| Surdulica to Orange City (Florida) | 5,508.35 mi (8,864.83 km) |
| Surdulica to Orangeburg (South Carolina) | 5,275.41 mi (8,489.95 km) |
