| Sowerby Bridge to Olympia Heights (Florida) | 4,340.37 mi (6,985.16 km) |
| Sowerby Bridge to Omaha (Nebraska) | 4,148.13 mi (6,675.77 km) |
| Sowerby Bridge to On Top of the World Designated Place (Florida) | 4,243.09 mi (6,828.60 km) |
| Sowerby Bridge to Onalaska (Wisconsin) | 3,846.15 mi (6,189.79 km) |
| Sowerby Bridge to Oneida (New York) | 3,304.03 mi (5,317.32 km) |
| Sowerby Bridge to Oneonta (New York) | 3,308.57 mi (5,324.62 km) |
| Sowerby Bridge to Ontario (California) | 5,264.96 mi (8,473.13 km) |
| Sowerby Bridge to Ontario (Oregon) | 4,675.80 mi (7,524.98 km) |
| Sowerby Bridge to Opa-locka (Florida) | 4,327.78 mi (6,964.88 km) |
| Sowerby Bridge to Opelika (Alabama) | 4,183.50 mi (6,732.70 km) |
| Sowerby Bridge to Opelousas (Louisiana) | 4,555.24 mi (7,330.96 km) |
| Sowerby Bridge to Orange (California) | 5,285.34 mi (8,505.93 km) |
| Sowerby Bridge to Orange (Texas) | 4,641.10 mi (7,469.12 km) |
| Sowerby Bridge to Orange City (Florida) | 4,211.80 mi (6,778.23 km) |
| Sowerby Bridge to Orangeburg (South Carolina) | 3,963.28 mi (6,378.29 km) |
