| Gaithersburg to Sanford (Maine) | 447.20 mi (719.70 km) |
| Gaithersburg to Sanford (North Carolina) | 274.11 mi (441.13 km) |
| Gaithersburg to Sanger (California) | 2,293.32 mi (3,690.74 km) |
| Gaithersburg to Santa Ana (California) | 2,272.00 mi (3,656.42 km) |
| Gaithersburg to Santa Barbara (California) | 2,353.07 mi (3,786.90 km) |
| Gaithersburg to Santa Clara (California) | 2,406.75 mi (3,873.28 km) |
| Gaithersburg to Santa Clara (Oregon) | 2,365.42 mi (3,806.78 km) |
| Gaithersburg to Santa Clarita (California) | 2,288.03 mi (3,682.22 km) |
| Gaithersburg to Santa Cruz (California) | 2,418.18 mi (3,891.68 km) |
| Gaithersburg to Santa Fe (New Mexico) | 1,590.44 mi (2,559.57 km) |
| Gaithersburg to Santa Fe (Texas) | 1,219.84 mi (1,963.14 km) |
| Gaithersburg to Santa Fe Springs (California) | 2,276.74 mi (3,664.06 km) |
| Gaithersburg to Santa Maria (California) | 2,379.46 mi (3,829.38 km) |
| Gaithersburg to Santa Monica (California) | 2,296.86 mi (3,696.43 km) |
| Gaithersburg to Santa Paula (California) | 2,319.94 mi (3,733.59 km) |
