| Rockville to Palmetto (Florida) | 857.28 mi (1,379.65 km) |
| Rockville to Palmetto Bay (Florida) | 948.10 mi (1,525.83 km) |
| Rockville to Palmetto Estates (Florida) | 948.61 mi (1,526.63 km) |
| Rockville to Palmview (Texas) | 1,514.50 mi (2,437.35 km) |
| Rockville to Palo Alto (California) | 2,419.36 mi (3,893.58 km) |
| Rockville to Palos Heights (Illinois) | 587.32 mi (945.20 km) |
| Rockville to Palos Hills (Illinois) | 589.45 mi (948.63 km) |
| Rockville to Palos Verdes Estates (California) | 2,301.62 mi (3,704.10 km) |
| Rockville to Pampa (Texas) | 1,326.97 mi (2,135.55 km) |
| Rockville to Panama City (Florida) | 778.44 mi (1,252.77 km) |
| Rockville to Panama City Beach (Florida) | 786.12 mi (1,265.13 km) |
| Rockville to Papillion (Nebraska) | 1,007.34 mi (1,621.16 km) |
| Rockville to Paradise (Nevada) | 2,074.68 mi (3,338.87 km) |
| Rockville to Paradise Valley (Arizona) | 1,962.72 mi (3,158.69 km) |
| Rockville to Paragould (Arkansas) | 760.13 mi (1,223.31 km) |
