| Upminster to Pottsville (Pennsylvania) | 3,566.40 mi (5,739.56 km) |
| Upminster to Poughkeepsie (New York) | 3,429.78 mi (5,519.69 km) |
| Upminster to Poulsbo (Washington) | 4,791.81 mi (7,711.67 km) |
| Upminster to Poway (California) | 5,471.89 mi (8,806.15 km) |
| Upminster to Powder Springs (Georgia) | 4,227.29 mi (6,803.17 km) |
| Upminster to Powell (Ohio) | 3,863.67 mi (6,217.97 km) |
| Upminster to Powell (Tennessee) | 4,095.77 mi (6,591.51 km) |
| Upminster to Prairie Ridge (Washington) | 4,813.01 mi (7,745.79 km) |
| Upminster to Prairie Village (Kansas) | 4,363.56 mi (7,022.48 km) |
| Upminster to Prairieville (Louisiana) | 4,658.10 mi (7,496.49 km) |
| Upminster to Prattville (Alabama) | 4,368.47 mi (7,030.38 km) |
| Upminster to Preakness (New Jersey) | 3,474.67 mi (5,591.95 km) |
| Upminster to Prescott (Arizona) | 5,230.17 mi (8,417.14 km) |
| Upminster to Prescott Valley (Arizona) | 5,225.10 mi (8,408.98 km) |
| Upminster to Prichard (Alabama) | 4,520.72 mi (7,275.39 km) |
