| Westbrook to Pottstown (Pennsylvania) | 361.11 mi (581.15 km) |
| Westbrook to Pottsville (Pennsylvania) | 364.91 mi (587.27 km) |
| Westbrook to Poughkeepsie (New York) | 227.82 mi (366.64 km) |
| Westbrook to Poulsbo (Washington) | 2,489.39 mi (4,006.29 km) |
| Westbrook to Poway (California) | 2,597.80 mi (4,180.76 km) |
| Westbrook to Powder Springs (Georgia) | 1,025.41 mi (1,650.24 km) |
| Westbrook to Powell (Ohio) | 697.28 mi (1,122.17 km) |
| Westbrook to Powell (Tennessee) | 895.89 mi (1,441.80 km) |
| Westbrook to Prairie Ridge (Washington) | 2,476.53 mi (3,985.59 km) |
| Westbrook to Prairie Village (Kansas) | 1,295.79 mi (2,085.37 km) |
| Westbrook to Prairieville (Louisiana) | 1,458.08 mi (2,346.55 km) |
| Westbrook to Prattville (Alabama) | 1,166.54 mi (1,877.37 km) |
| Westbrook to Preakness (New Jersey) | 274.51 mi (441.79 km) |
| Westbrook to Prescott (Arizona) | 2,314.95 mi (3,725.55 km) |
| Westbrook to Prescott Valley (Arizona) | 2,308.08 mi (3,714.50 km) |
