| Caldicot to Willow Grove (Pennsylvania) | 3,422.09 mi (5,507.33 km) |
| Caldicot to Willowbrook (California) | 5,358.74 mi (8,624.06 km) |
| Caldicot to Willowick (Ohio) | 3,614.03 mi (5,816.22 km) |
| Caldicot to Wilmette (Illinois) | 3,839.17 mi (6,178.55 km) |
| Caldicot to Wilmington (Delaware) | 3,457.19 mi (5,563.82 km) |
| Caldicot to Wilmington (North Carolina) | 3,806.08 mi (6,125.30 km) |
| Caldicot to Wilmington (Ohio) | 3,806.40 mi (6,125.80 km) |
| Caldicot to Wilmington Island (Georgia) | 4,040.63 mi (6,502.76 km) |
| Caldicot to Wilson (North Carolina) | 3,736.78 mi (6,013.77 km) |
| Caldicot to Wilsonville (Oregon) | 4,851.40 mi (7,807.57 km) |
| Caldicot to Wilton Manors (Florida) | 4,293.97 mi (6,910.47 km) |
| Caldicot to Wimauma (Florida) | 4,308.55 mi (6,933.94 km) |
| Caldicot to Winchester (Kentucky) | 3,887.77 mi (6,256.76 km) |
| Caldicot to Winchester (Nevada) | 5,132.02 mi (8,259.19 km) |
| Caldicot to Winchester (Virginia) | 3,590.28 mi (5,778.00 km) |
