| Gaithersburg to Pikesville (Maryland) | 32.52 mi (52.33 km) |
| Gaithersburg to Pine Bluff (Arkansas) | 886.74 mi (1,427.07 km) |
| Gaithersburg to Pine Castle (Florida) | 774.68 mi (1,246.73 km) |
| Gaithersburg to Pine Hill (New Jersey) | 127.10 mi (204.55 km) |
| Gaithersburg to Pine Hills (Florida) | 768.67 mi (1,237.06 km) |
| Gaithersburg to Pinecrest (Florida) | 947.79 mi (1,525.32 km) |
| Gaithersburg to Pinehurst (North Carolina) | 299.34 mi (481.73 km) |
| Gaithersburg to Pinellas Park (Florida) | 840.49 mi (1,352.63 km) |
| Gaithersburg to Pineville (Louisiana) | 1,010.50 mi (1,626.24 km) |
| Gaithersburg to Pineville (North Carolina) | 345.34 mi (555.78 km) |
| Gaithersburg to Pinewood (Florida) | 932.92 mi (1,501.39 km) |
| Gaithersburg to Piney Green (North Carolina) | 303.02 mi (487.66 km) |
| Gaithersburg to Pinole (California) | 2,410.82 mi (3,879.85 km) |
| Gaithersburg to Piqua (Ohio) | 380.50 mi (612.36 km) |
| Gaithersburg to Pittsburg (California) | 2,390.12 mi (3,846.52 km) |
