| Potomac to San Diego (California) | 2,256.02 mi (3,630.71 km) |
| Potomac to San Diego Country Estates (California) | 2,233.38 mi (3,594.28 km) |
| Potomac to San Dimas (California) | 2,260.45 mi (3,637.85 km) |
| Potomac to San Fernando (California) | 2,289.64 mi (3,684.83 km) |
| Potomac to San Francisco (California) | 2,426.71 mi (3,905.40 km) |
| Potomac to San Gabriel (California) | 2,276.30 mi (3,663.35 km) |
| Potomac to San Germán (Puerto Rico) | 1,569.29 mi (2,525.53 km) |
| Potomac to San Jacinto (California) | 2,224.31 mi (3,579.68 km) |
| Potomac to San Jose (California) | 2,404.38 mi (3,869.47 km) |
| Potomac to San Juan (Puerto Rico) | 1,573.02 mi (2,531.53 km) |
| Potomac to San Juan (Texas) | 1,501.47 mi (2,416.38 km) |
| Potomac to San Juan Capistrano (California) | 2,267.26 mi (3,648.80 km) |
| Potomac to San Leandro (California) | 2,412.71 mi (3,882.89 km) |
| Potomac to San Lorenzo (California) | 2,411.98 mi (3,881.71 km) |
| Potomac to San Luis (Arizona) | 2,135.53 mi (3,436.80 km) |
