| Chelmsford to Pottsville (Pennsylvania) | 3,571.53 mi (5,747.83 km) |
| Chelmsford to Poughkeepsie (New York) | 3,435.01 mi (5,528.11 km) |
| Chelmsford to Poulsbo (Washington) | 4,788.11 mi (7,705.73 km) |
| Chelmsford to Poway (California) | 5,471.47 mi (8,805.49 km) |
| Chelmsford to Powder Springs (Georgia) | 4,232.57 mi (6,811.66 km) |
| Chelmsford to Powell (Ohio) | 3,867.83 mi (6,224.67 km) |
| Chelmsford to Powell (Tennessee) | 4,100.71 mi (6,599.45 km) |
| Chelmsford to Prairie Ridge (Washington) | 4,809.49 mi (7,740.12 km) |
| Chelmsford to Prairie Village (Kansas) | 4,366.09 mi (7,026.54 km) |
| Chelmsford to Prairieville (Louisiana) | 4,662.98 mi (7,504.34 km) |
| Chelmsford to Prattville (Alabama) | 4,373.73 mi (7,038.84 km) |
| Chelmsford to Preakness (New Jersey) | 3,480.06 mi (5,600.61 km) |
| Chelmsford to Prescott (Arizona) | 5,230.36 mi (8,417.45 km) |
| Chelmsford to Prescott Valley (Arizona) | 5,225.31 mi (8,409.33 km) |
| Chelmsford to Prichard (Alabama) | 4,526.01 mi (7,283.91 km) |
