| Gaithersburg to Santa Rosa (California) | 2,424.29 mi (3,901.51 km) |
| Gaithersburg to Santaquin (Utah) | 1,831.55 mi (2,947.60 km) |
| Gaithersburg to Santee (California) | 2,246.80 mi (3,615.87 km) |
| Gaithersburg to Sapulpa (Oklahoma) | 1,054.55 mi (1,697.14 km) |
| Gaithersburg to Saraland (Alabama) | 839.99 mi (1,351.84 km) |
| Gaithersburg to Sarasota (Florida) | 870.83 mi (1,401.47 km) |
| Gaithersburg to Sarasota Springs (Florida) | 871.41 mi (1,402.40 km) |
| Gaithersburg to Saratoga (California) | 2,411.76 mi (3,881.36 km) |
| Gaithersburg to Saratoga Springs (New York) | 325.25 mi (523.44 km) |
| Gaithersburg to Saratoga Springs (Utah) | 1,833.78 mi (2,951.18 km) |
| Gaithersburg to Sartell (Minnesota) | 974.14 mi (1,567.73 km) |
| Gaithersburg to Satellite Beach (Florida) | 781.52 mi (1,257.74 km) |
| Gaithersburg to Sauk Rapids (Minnesota) | 970.61 mi (1,562.05 km) |
| Gaithersburg to Sault Ste. Marie (Michigan) | 623.43 mi (1,003.31 km) |
| Gaithersburg to Savage (Minnesota) | 914.16 mi (1,471.20 km) |
