| Thornton Heath to Portage (Michigan) | 3,858.81 mi (6,210.16 km) |
| Thornton Heath to Portage (Wisconsin) | 3,943.59 mi (6,346.60 km) |
| Thornton Heath to Portales (New Mexico) | 4,925.90 mi (7,927.47 km) |
| Thornton Heath to Porterville (California) | 5,355.88 mi (8,619.46 km) |
| Thornton Heath to Portland (Maine) | 3,188.32 mi (5,131.10 km) |
| Thornton Heath to Portland (Oregon) | 4,917.57 mi (7,914.06 km) |
| Thornton Heath to Portland (Tennessee) | 4,158.41 mi (6,692.31 km) |
| Thornton Heath to Portland (Texas) | 5,027.39 mi (8,090.80 km) |
| Thornton Heath to Portsmouth (New Hampshire) | 3,234.18 mi (5,204.91 km) |
| Thornton Heath to Portsmouth (Ohio) | 3,913.49 mi (6,298.15 km) |
| Thornton Heath to Portsmouth (Virginia) | 3,733.09 mi (6,007.83 km) |
| Thornton Heath to Post Falls (Idaho) | 4,637.54 mi (7,463.40 km) |
| Thornton Heath to Potomac (Maryland) | 3,669.37 mi (5,905.29 km) |
| Thornton Heath to Potomac Park (California) | 5,393.87 mi (8,680.60 km) |
| Thornton Heath to Pottstown (Pennsylvania) | 3,551.29 mi (5,715.25 km) |
