| Dronfield to Olympia Heights (Florida) | 4,362.10 mi (7,020.13 km) |
| Dronfield to Omaha (Nebraska) | 4,178.08 mi (6,723.97 km) |
| Dronfield to On Top of the World Designated Place (Florida) | 4,266.55 mi (6,866.34 km) |
| Dronfield to Onalaska (Wisconsin) | 3,875.88 mi (6,237.63 km) |
| Dronfield to Oneida (New York) | 3,330.49 mi (5,359.91 km) |
| Dronfield to Oneonta (New York) | 3,334.66 mi (5,366.62 km) |
| Dronfield to Ontario (California) | 5,297.01 mi (8,524.72 km) |
| Dronfield to Ontario (Oregon) | 4,708.66 mi (7,577.85 km) |
| Dronfield to Opa-locka (Florida) | 4,349.54 mi (6,999.90 km) |
| Dronfield to Opelika (Alabama) | 4,208.95 mi (6,773.65 km) |
| Dronfield to Opelousas (Louisiana) | 4,581.87 mi (7,373.80 km) |
| Dronfield to Orange (California) | 5,317.40 mi (8,557.52 km) |
| Dronfield to Orange (Texas) | 4,668.04 mi (7,512.49 km) |
| Dronfield to Orange City (Florida) | 4,234.89 mi (6,815.39 km) |
| Dronfield to Orangeburg (South Carolina) | 3,987.73 mi (6,417.64 km) |
