| Caldicot to Orangevale (California) | 5,182.78 mi (8,340.88 km) |
| Caldicot to Orchards (Washington) | 4,823.34 mi (7,762.42 km) |
| Caldicot to Orcutt (California) | 5,375.75 mi (8,651.43 km) |
| Caldicot to Oregon (Ohio) | 3,690.99 mi (5,940.07 km) |
| Caldicot to Oregon (Wisconsin) | 3,863.81 mi (6,218.20 km) |
| Caldicot to Oregon City (Oregon) | 4,844.71 mi (7,796.80 km) |
| Caldicot to Orem (Utah) | 4,790.49 mi (7,709.55 km) |
| Caldicot to Orinda (California) | 5,258.11 mi (8,462.11 km) |
| Caldicot to Orland Park (Illinois) | 3,865.83 mi (6,221.46 km) |
| Caldicot to Orlando (Florida) | 4,228.84 mi (6,805.65 km) |
| Caldicot to Ormond Beach (Florida) | 4,178.22 mi (6,724.19 km) |
| Caldicot to Oro Valley (Arizona) | 5,193.25 mi (8,357.72 km) |
| Caldicot to Oroville (California) | 5,146.89 mi (8,283.11 km) |
| Caldicot to Oshkosh (Wisconsin) | 3,782.72 mi (6,087.70 km) |
| Caldicot to Oskaloosa (Iowa) | 4,062.90 mi (6,538.61 km) |
