| Delaware to Parma Heights (Ohio) | 102.39 mi (164.78 km) |
| Delaware to Parole (Maryland) | 358.37 mi (576.74 km) |
| Delaware to Parsippany (New Jersey) | 456.08 mi (733.99 km) |
| Delaware to Pasadena (California) | 1,961.62 mi (3,156.93 km) |
| Delaware to Pasadena (Maryland) | 355.12 mi (571.51 km) |
| Delaware to Pasadena (Texas) | 1,001.37 mi (1,611.56 km) |
| Delaware to Pasadena Hills (Florida) | 830.27 mi (1,336.20 km) |
| Delaware to Pascagoula (Mississippi) | 751.22 mi (1,208.96 km) |
| Delaware to Pasco (Washington) | 1,843.35 mi (2,966.59 km) |
| Delaware to Passaic (New Jersey) | 470.96 mi (757.94 km) |
| Delaware to Pataskala (Ohio) | 26.78 mi (43.10 km) |
| Delaware to Patchogue (New York) | 528.86 mi (851.12 km) |
| Delaware to Paterson (New Jersey) | 469.33 mi (755.31 km) |
| Delaware to Patterson (California) | 2,041.56 mi (3,285.58 km) |
| Delaware to Pawtucket (Rhode Island) | 618.65 mi (995.63 km) |
