| Delaware to Pittsburg (Kansas) | 655.65 mi (1,055.16 km) |
| Delaware to Pittsburgh (Pennsylvania) | 163.43 mi (263.01 km) |
| Delaware to Pittsfield (Massachusetts) | 530.07 mi (853.06 km) |
| Delaware to Placentia (California) | 1,954.23 mi (3,145.03 km) |
| Delaware to Placerville (California) | 1,998.62 mi (3,216.48 km) |
| Delaware to Plainfield (Illinois) | 284.15 mi (457.29 km) |
| Delaware to Plainfield (Indiana) | 179.24 mi (288.45 km) |
| Delaware to Plainfield (New Jersey) | 455.63 mi (733.26 km) |
| Delaware to Plainview (New York) | 505.08 mi (812.85 km) |
| Delaware to Plainview (Texas) | 1,106.13 mi (1,780.14 km) |
| Delaware to Plano (Illinois) | 300.27 mi (483.23 km) |
| Delaware to Plano (Texas) | 906.21 mi (1,458.40 km) |
| Delaware to Plant City (Florida) | 849.59 mi (1,367.28 km) |
| Delaware to Plantation (Florida) | 991.57 mi (1,595.77 km) |
| Delaware to Platteville (Wisconsin) | 417.97 mi (672.65 km) |
