| Swadlincote to Olympia Heights (Florida) | 4,363.35 mi (7,022.13 km) |
| Swadlincote to Omaha (Nebraska) | 4,193.46 mi (6,748.72 km) |
| Swadlincote to On Top of the World Designated Place (Florida) | 4,270.34 mi (6,872.45 km) |
| Swadlincote to Onalaska (Wisconsin) | 3,890.80 mi (6,261.63 km) |
| Swadlincote to Oneida (New York) | 3,339.24 mi (5,373.99 km) |
| Swadlincote to Oneonta (New York) | 3,342.78 mi (5,379.68 km) |
| Swadlincote to Ontario (California) | 5,317.68 mi (8,557.98 km) |
| Swadlincote to Ontario (Oregon) | 4,732.15 mi (7,615.66 km) |
| Swadlincote to Opa-locka (Florida) | 4,350.82 mi (7,001.97 km) |
| Swadlincote to Opelika (Alabama) | 4,215.89 mi (6,784.83 km) |
| Swadlincote to Opelousas (Louisiana) | 4,590.77 mi (7,388.13 km) |
| Swadlincote to Orange (California) | 5,338.07 mi (8,590.79 km) |
| Swadlincote to Orange (Texas) | 4,677.51 mi (7,527.72 km) |
| Swadlincote to Orange City (Florida) | 4,238.13 mi (6,820.61 km) |
| Swadlincote to Orangeburg (South Carolina) | 3,993.10 mi (6,426.27 km) |
