| Burton upon Trent to Olympia Heights (Florida) | 4,359.78 mi (7,016.39 km) |
| Burton upon Trent to Omaha (Nebraska) | 4,189.61 mi (6,742.53 km) |
| Burton upon Trent to On Top of the World Designated Place (Florida) | 4,266.69 mi (6,866.57 km) |
| Burton upon Trent to Onalaska (Wisconsin) | 3,886.95 mi (6,255.44 km) |
| Burton upon Trent to Oneida (New York) | 3,335.46 mi (5,367.90 km) |
| Burton upon Trent to Oneonta (New York) | 3,339.00 mi (5,373.61 km) |
| Burton upon Trent to Ontario (California) | 5,313.89 mi (8,551.88 km) |
| Burton upon Trent to Ontario (Oregon) | 4,728.45 mi (7,609.70 km) |
| Burton upon Trent to Opa-locka (Florida) | 4,347.26 mi (6,996.23 km) |
| Burton upon Trent to Opelika (Alabama) | 4,212.15 mi (6,778.80 km) |
| Burton upon Trent to Opelousas (Louisiana) | 4,586.98 mi (7,382.03 km) |
| Burton upon Trent to Orange (California) | 5,334.28 mi (8,584.70 km) |
| Burton upon Trent to Orange (Texas) | 4,673.71 mi (7,521.61 km) |
| Burton upon Trent to Orange City (Florida) | 4,234.49 mi (6,814.76 km) |
| Burton upon Trent to Orangeburg (South Carolina) | 3,989.39 mi (6,420.30 km) |
