| Witham to Orangevale (California) | 5,273.54 mi (8,486.94 km) |
| Witham to Orchards (Washington) | 4,903.99 mi (7,892.21 km) |
| Witham to Orcutt (California) | 5,471.79 mi (8,806.00 km) |
| Witham to Oregon (Ohio) | 3,817.31 mi (6,143.36 km) |
| Witham to Oregon (Wisconsin) | 3,983.75 mi (6,411.23 km) |
| Witham to Oregon City (Oregon) | 4,925.71 mi (7,927.17 km) |
| Witham to Orem (Utah) | 4,891.29 mi (7,871.78 km) |
| Witham to Orinda (California) | 5,348.49 mi (8,607.56 km) |
| Witham to Orland Park (Illinois) | 3,988.69 mi (6,419.18 km) |
| Witham to Orlando (Florida) | 4,367.97 mi (7,029.56 km) |
| Witham to Ormond Beach (Florida) | 4,316.99 mi (6,947.52 km) |
| Witham to Oro Valley (Arizona) | 5,303.66 mi (8,535.42 km) |
| Witham to Oroville (California) | 5,236.26 mi (8,426.95 km) |
| Witham to Oshkosh (Wisconsin) | 3,901.93 mi (6,279.55 km) |
| Witham to Oskaloosa (Iowa) | 4,182.06 mi (6,730.37 km) |
