| San Marcos to El Segundo (California) | 88.98 mi (143.20 km) |
| San Marcos to El Sobrante (California) | 53.58 mi (86.24 km) |
| San Marcos to Eldersburg (Maryland) | 2,262.87 mi (3,641.73 km) |
| San Marcos to Elfers (Florida) | 2,065.92 mi (3,324.78 km) |
| San Marcos to Elgin (Illinois) | 1,685.15 mi (2,711.98 km) |
| San Marcos to Elizabeth (New Jersey) | 2,406.42 mi (3,872.75 km) |
| San Marcos to Elizabeth City (North Carolina) | 2,318.07 mi (3,730.58 km) |
| San Marcos to Elizabethton (Tennessee) | 1,985.25 mi (3,194.95 km) |
| San Marcos to Elizabethtown (Kentucky) | 1,781.72 mi (2,867.41 km) |
| San Marcos to Elizabethtown (Pennsylvania) | 2,280.50 mi (3,670.11 km) |
| San Marcos to Elk City (Oklahoma) | 1,023.71 mi (1,647.51 km) |
| San Marcos to Elk Grove (California) | 434.43 mi (699.14 km) |
| San Marcos to Elk Grove Village (Illinois) | 1,701.38 mi (2,738.11 km) |
| San Marcos to Elk Plain (Washington) | 998.75 mi (1,607.33 km) |
| San Marcos to Elk River (Minnesota) | 1,509.67 mi (2,429.58 km) |
