| Darby to Pell City (Alabama) | 750.34 mi (1,207.55 km) |
| Darby to Pella (Iowa) | 929.50 mi (1,495.88 km) |
| Darby to Pembroke Pines (Florida) | 1,004.54 mi (1,616.64 km) |
| Darby to Pendleton (Oregon) | 2,215.70 mi (3,565.82 km) |
| Darby to Pensacola (Florida) | 937.96 mi (1,509.50 km) |
| Darby to Peoria (Arizona) | 2,075.68 mi (3,340.48 km) |
| Darby to Peoria (Illinois) | 757.33 mi (1,218.80 km) |
| Darby to Perris (California) | 2,336.34 mi (3,759.98 km) |
| Darby to Perry (Georgia) | 697.73 mi (1,122.89 km) |
| Darby to Perry Hall (Maryland) | 73.84 mi (118.83 km) |
| Darby to Perrysburg (Ohio) | 452.57 mi (728.34 km) |
| Darby to Perth Amboy (New Jersey) | 66.59 mi (107.17 km) |
| Darby to Peru (Indiana) | 572.11 mi (920.72 km) |
| Darby to Petal (Mississippi) | 981.22 mi (1,579.12 km) |
| Darby to Petaluma (California) | 2,512.92 mi (4,044.16 km) |
