| Gaithersburg to Saddlebrooke (Arizona) | 1,927.39 mi (3,101.83 km) |
| Gaithersburg to Safety Harbor (Florida) | 830.61 mi (1,336.73 km) |
| Gaithersburg to Saginaw (Michigan) | 458.03 mi (737.13 km) |
| Gaithersburg to Saginaw (Texas) | 1,203.62 mi (1,937.04 km) |
| Gaithersburg to Sahuarita (Arizona) | 1,949.69 mi (3,137.72 km) |
| Gaithersburg to Saks (Alabama) | 608.72 mi (979.64 km) |
| Gaithersburg to Salem (Massachusetts) | 404.00 mi (650.17 km) |
| Gaithersburg to Salem (Ohio) | 227.96 mi (366.86 km) |
| Gaithersburg to Salem (Oregon) | 2,352.96 mi (3,786.72 km) |
| Gaithersburg to Salem (Virginia) | 200.28 mi (322.32 km) |
| Gaithersburg to Salem Lakes (Wisconsin) | 616.63 mi (992.37 km) |
| Gaithersburg to Salida (California) | 2,353.55 mi (3,787.67 km) |
| Gaithersburg to Salina (Kansas) | 1,093.77 mi (1,760.25 km) |
| Gaithersburg to Salinas (California) | 2,403.07 mi (3,867.36 km) |
| Gaithersburg to Salisbury (Maryland) | 102.13 mi (164.36 km) |
