| Potters Bar to Portage (Michigan) | 3,846.71 mi (6,190.68 km) |
| Potters Bar to Portage (Wisconsin) | 3,930.48 mi (6,325.50 km) |
| Potters Bar to Portales (New Mexico) | 4,912.37 mi (7,905.70 km) |
| Potters Bar to Porterville (California) | 5,339.40 mi (8,592.93 km) |
| Potters Bar to Portland (Maine) | 3,178.53 mi (5,115.35 km) |
| Potters Bar to Portland (Oregon) | 4,899.50 mi (7,884.99 km) |
| Potters Bar to Portland (Tennessee) | 4,147.60 mi (6,674.91 km) |
| Potters Bar to Portland (Texas) | 5,016.31 mi (8,072.98 km) |
| Potters Bar to Portsmouth (New Hampshire) | 3,224.52 mi (5,189.37 km) |
| Potters Bar to Portsmouth (Ohio) | 3,902.81 mi (6,280.97 km) |
| Potters Bar to Portsmouth (Virginia) | 3,724.33 mi (5,993.73 km) |
| Potters Bar to Post Falls (Idaho) | 4,619.86 mi (7,434.94 km) |
| Potters Bar to Potomac (Maryland) | 3,659.78 mi (5,889.84 km) |
| Potters Bar to Potomac Park (California) | 5,377.49 mi (8,654.23 km) |
| Potters Bar to Pottstown (Pennsylvania) | 3,541.62 mi (5,699.69 km) |
