| Selston to Olympia Heights (Florida) | 4,371.12 mi (7,034.64 km) |
| Selston to Omaha (Nebraska) | 4,192.20 mi (6,746.69 km) |
| Selston to On Top of the World Designated Place (Florida) | 4,276.58 mi (6,882.50 km) |
| Selston to Onalaska (Wisconsin) | 3,889.85 mi (6,260.11 km) |
| Selston to Oneida (New York) | 3,342.38 mi (5,379.04 km) |
| Selston to Oneonta (New York) | 3,346.32 mi (5,385.38 km) |
| Selston to Ontario (California) | 5,312.64 mi (8,549.87 km) |
| Selston to Ontario (Oregon) | 4,724.97 mi (7,604.10 km) |
| Selston to Opa-locka (Florida) | 4,358.57 mi (7,014.44 km) |
| Selston to Opelika (Alabama) | 4,220.19 mi (6,791.73 km) |
| Selston to Opelousas (Louisiana) | 4,593.82 mi (7,393.04 km) |
| Selston to Orange (California) | 5,333.03 mi (8,582.68 km) |
| Selston to Orange (Texas) | 4,680.20 mi (7,532.05 km) |
| Selston to Orange City (Florida) | 4,244.71 mi (6,831.19 km) |
| Selston to Orangeburg (South Carolina) | 3,998.37 mi (6,434.76 km) |
