| Skillounta to Olympia Heights (Florida) | 5,754.57 mi (9,261.08 km) |
| Skillounta to Omaha (Nebraska) | 5,718.67 mi (9,203.31 km) |
| Skillounta to On Top of the World Designated Place (Florida) | 5,700.66 mi (9,174.33 km) |
| Skillounta to Onalaska (Wisconsin) | 5,415.00 mi (8,714.61 km) |
| Skillounta to Oneida (New York) | 4,830.71 mi (7,774.28 km) |
| Skillounta to Oneonta (New York) | 4,828.92 mi (7,771.39 km) |
| Skillounta to Ontario (California) | 6,836.55 mi (11,002.36 km) |
| Skillounta to Ontario (Oregon) | 6,230.61 mi (10,027.20 km) |
| Skillounta to Opa-locka (Florida) | 5,742.92 mi (9,242.33 km) |
| Skillounta to Opelika (Alabama) | 5,685.06 mi (9,149.21 km) |
| Skillounta to Opelousas (Louisiana) | 6,077.45 mi (9,780.71 km) |
| Skillounta to Orange (California) | 6,856.87 mi (11,035.07 km) |
| Skillounta to Orange (Texas) | 6,168.90 mi (9,927.89 km) |
| Skillounta to Orange City (Florida) | 5,661.18 mi (9,110.79 km) |
| Skillounta to Orangeburg (South Carolina) | 5,446.13 mi (8,764.70 km) |
