| Clacton-on-Sea to Orangevale (California) | 5,288.62 mi (8,511.21 km) |
| Clacton-on-Sea to Orchards (Washington) | 4,917.71 mi (7,914.29 km) |
| Clacton-on-Sea to Orcutt (California) | 5,487.58 mi (8,831.41 km) |
| Clacton-on-Sea to Oregon (Ohio) | 3,837.11 mi (6,175.23 km) |
| Clacton-on-Sea to Oregon (Wisconsin) | 4,002.76 mi (6,441.82 km) |
| Clacton-on-Sea to Oregon City (Oregon) | 4,939.48 mi (7,949.32 km) |
| Clacton-on-Sea to Orem (Utah) | 4,907.76 mi (7,898.27 km) |
| Clacton-on-Sea to Orinda (California) | 5,363.51 mi (8,631.74 km) |
| Clacton-on-Sea to Orland Park (Illinois) | 4,008.07 mi (6,450.36 km) |
| Clacton-on-Sea to Orlando (Florida) | 4,389.23 mi (7,063.78 km) |
| Clacton-on-Sea to Ormond Beach (Florida) | 4,338.21 mi (6,981.67 km) |
| Clacton-on-Sea to Oro Valley (Arizona) | 5,321.39 mi (8,563.94 km) |
| Clacton-on-Sea to Oroville (California) | 5,251.15 mi (8,450.91 km) |
| Clacton-on-Sea to Oshkosh (Wisconsin) | 3,920.85 mi (6,310.00 km) |
| Clacton-on-Sea to Oskaloosa (Iowa) | 4,200.96 mi (6,760.79 km) |
