| Upminster to Portage (Michigan) | 3,867.77 mi (6,224.57 km) |
| Upminster to Portage (Wisconsin) | 3,951.52 mi (6,359.36 km) |
| Upminster to Portales (New Mexico) | 4,933.38 mi (7,939.51 km) |
| Upminster to Porterville (California) | 5,359.66 mi (8,625.54 km) |
| Upminster to Portland (Maine) | 3,199.36 mi (5,148.86 km) |
| Upminster to Portland (Oregon) | 4,918.80 mi (7,916.05 km) |
| Upminster to Portland (Tennessee) | 4,168.56 mi (6,708.66 km) |
| Upminster to Portland (Texas) | 5,037.31 mi (8,106.77 km) |
| Upminster to Portsmouth (New Hampshire) | 3,245.32 mi (5,222.84 km) |
| Upminster to Portsmouth (Ohio) | 3,923.76 mi (6,314.69 km) |
| Upminster to Portsmouth (Virginia) | 3,744.95 mi (6,026.92 km) |
| Upminster to Post Falls (Idaho) | 4,639.45 mi (7,466.47 km) |
| Upminster to Potomac (Maryland) | 3,680.57 mi (5,923.30 km) |
| Upminster to Potomac Park (California) | 5,397.80 mi (8,686.91 km) |
| Upminster to Pottstown (Pennsylvania) | 3,562.42 mi (5,733.17 km) |
