| Rockville to Palatka (Florida) | 700.59 mi (1,127.49 km) |
| Rockville to Palestine (Texas) | 1,154.83 mi (1,858.52 km) |
| Rockville to Palisades Park (New Jersey) | 206.93 mi (333.03 km) |
| Rockville to Palm Bay (Florida) | 794.22 mi (1,278.17 km) |
| Rockville to Palm Beach Gardens (Florida) | 863.18 mi (1,389.15 km) |
| Rockville to Palm City (Florida) | 842.44 mi (1,355.77 km) |
| Rockville to Palm Coast (Florida) | 699.34 mi (1,125.48 km) |
| Rockville to Palm Desert (California) | 2,194.29 mi (3,531.36 km) |
| Rockville to Palm Harbor (Florida) | 824.85 mi (1,327.46 km) |
| Rockville to Palm River-Clair Mel (Florida) | 827.29 mi (1,331.39 km) |
| Rockville to Palm Springs (California) | 2,201.73 mi (3,543.34 km) |
| Rockville to Palm Springs (Florida) | 876.75 mi (1,410.99 km) |
| Rockville to Palm Valley (Florida) | 659.11 mi (1,060.73 km) |
| Rockville to Palmdale (California) | 2,266.32 mi (3,647.29 km) |
| Rockville to Palmer Ranch (Florida) | 874.37 mi (1,407.16 km) |
