| Darby to Pottsville (Pennsylvania) | 72.42 mi (116.55 km) |
| Darby to Poughkeepsie (New York) | 141.18 mi (227.21 km) |
| Darby to Poulsbo (Washington) | 2,383.31 mi (3,835.56 km) |
| Darby to Poway (California) | 2,347.61 mi (3,778.12 km) |
| Darby to Powder Springs (Georgia) | 667.27 mi (1,073.87 km) |
| Darby to Powell (Ohio) | 413.95 mi (666.19 km) |
| Darby to Powell (Tennessee) | 547.45 mi (881.04 km) |
| Darby to Prairie Ridge (Washington) | 2,363.68 mi (3,803.97 km) |
| Darby to Prairie Village (Kansas) | 1,033.63 mi (1,663.47 km) |
| Darby to Prairieville (Louisiana) | 1,105.08 mi (1,778.45 km) |
| Darby to Prattville (Alabama) | 808.51 mi (1,301.17 km) |
| Darby to Preakness (New Jersey) | 88.95 mi (143.16 km) |
| Darby to Prescott (Arizona) | 2,062.80 mi (3,319.75 km) |
| Darby to Prescott Valley (Arizona) | 2,055.64 mi (3,308.24 km) |
| Darby to Prichard (Alabama) | 960.16 mi (1,545.23 km) |
