| Rockville to Pike Creek Valley (Delaware) | 89.65 mi (144.28 km) |
| Rockville to Pikesville (Maryland) | 32.17 mi (51.78 km) |
| Rockville to Pine Bluff (Arkansas) | 888.61 mi (1,430.08 km) |
| Rockville to Pine Castle (Florida) | 772.37 mi (1,243.01 km) |
| Rockville to Pine Hill (New Jersey) | 125.59 mi (202.12 km) |
| Rockville to Pine Hills (Florida) | 766.40 mi (1,233.40 km) |
| Rockville to Pinecrest (Florida) | 944.97 mi (1,520.79 km) |
| Rockville to Pinehurst (North Carolina) | 297.49 mi (478.76 km) |
| Rockville to Pinellas Park (Florida) | 838.50 mi (1,349.44 km) |
| Rockville to Pineville (Louisiana) | 1,011.62 mi (1,628.05 km) |
| Rockville to Pineville (North Carolina) | 344.42 mi (554.29 km) |
| Rockville to Pinewood (Florida) | 930.09 mi (1,496.84 km) |
| Rockville to Piney Green (North Carolina) | 299.56 mi (482.10 km) |
| Rockville to Pinole (California) | 2,414.63 mi (3,885.97 km) |
| Rockville to Piqua (Ohio) | 384.32 mi (618.51 km) |
