| Caldicot to Portage (Michigan) | 3,750.94 mi (6,036.55 km) |
| Caldicot to Portage (Wisconsin) | 3,838.23 mi (6,177.03 km) |
| Caldicot to Portales (New Mexico) | 4,821.63 mi (7,759.67 km) |
| Caldicot to Porterville (California) | 5,263.40 mi (8,470.62 km) |
| Caldicot to Portland (Maine) | 3,076.42 mi (4,951.02 km) |
| Caldicot to Portland (Oregon) | 4,835.25 mi (7,781.58 km) |
| Caldicot to Portland (Tennessee) | 4,047.97 mi (6,514.57 km) |
| Caldicot to Portland (Texas) | 4,917.35 mi (7,913.71 km) |
| Caldicot to Portsmouth (New Hampshire) | 3,122.12 mi (5,024.57 km) |
| Caldicot to Portsmouth (Ohio) | 3,802.84 mi (6,120.08 km) |
| Caldicot to Portsmouth (Virginia) | 3,620.04 mi (5,825.89 km) |
| Caldicot to Post Falls (Idaho) | 4,552.46 mi (7,326.48 km) |
| Caldicot to Potomac (Maryland) | 3,557.21 mi (5,724.78 km) |
| Caldicot to Potomac Park (California) | 5,300.86 mi (8,530.91 km) |
| Caldicot to Pottstown (Pennsylvania) | 3,439.23 mi (5,534.90 km) |
