| Rockville to Saddlebrooke (Arizona) | 1,930.30 mi (3,106.51 km) |
| Rockville to Safety Harbor (Florida) | 828.64 mi (1,333.56 km) |
| Rockville to Saginaw (Michigan) | 462.70 mi (744.65 km) |
| Rockville to Saginaw (Texas) | 1,205.72 mi (1,940.42 km) |
| Rockville to Sahuarita (Arizona) | 1,952.52 mi (3,142.27 km) |
| Rockville to Saks (Alabama) | 609.22 mi (980.45 km) |
| Rockville to Salem (Massachusetts) | 403.70 mi (649.70 km) |
| Rockville to Salem (Ohio) | 232.50 mi (374.17 km) |
| Rockville to Salem (Oregon) | 2,357.26 mi (3,793.65 km) |
| Rockville to Salem (Virginia) | 200.54 mi (322.74 km) |
| Rockville to Salem Lakes (Wisconsin) | 620.97 mi (999.35 km) |
| Rockville to Salida (California) | 2,357.30 mi (3,793.72 km) |
| Rockville to Salina (Kansas) | 1,097.19 mi (1,765.75 km) |
| Rockville to Salinas (California) | 2,406.75 mi (3,873.29 km) |
| Rockville to Salisbury (Maryland) | 97.68 mi (157.20 km) |
