| San Marcos to Elyria (Ohio) | 1,995.64 mi (3,211.67 km) |
| San Marcos to Emeryville (California) | 434.05 mi (698.53 km) |
| San Marcos to Emmaus (Pennsylvania) | 2,338.09 mi (3,762.79 km) |
| San Marcos to Emporia (Kansas) | 1,228.07 mi (1,976.39 km) |
| San Marcos to Encinitas (California) | 7.77 mi (12.50 km) |
| San Marcos to Endicott (New York) | 2,309.54 mi (3,716.84 km) |
| San Marcos to Endwell (New York) | 2,311.74 mi (3,720.38 km) |
| San Marcos to Englewood (Colorado) | 812.07 mi (1,306.90 km) |
| San Marcos to Englewood (Florida) | 2,115.51 mi (3,404.59 km) |
| San Marcos to Englewood (New Jersey) | 2,417.41 mi (3,890.44 km) |
| San Marcos to Englewood (Ohio) | 1,872.31 mi (3,013.20 km) |
| San Marcos to Enid (Oklahoma) | 1,116.69 mi (1,797.14 km) |
| San Marcos to Ennis (Texas) | 1,193.23 mi (1,920.32 km) |
| San Marcos to Ensley (Florida) | 1,758.55 mi (2,830.12 km) |
| San Marcos to Enterprise (Alabama) | 1,828.48 mi (2,942.66 km) |
