| San Marcos to Spout Springs (North Carolina) | 2,171.15 mi (3,494.12 km) |
| San Marcos to Spring (Texas) | 1,297.44 mi (2,088.03 km) |
| San Marcos to Spring Creek (Nevada) | 532.93 mi (857.66 km) |
| San Marcos to Spring Hill (Florida) | 2,071.44 mi (3,333.65 km) |
| San Marcos to Spring Hill (Tennessee) | 1,727.00 mi (2,779.34 km) |
| San Marcos to Spring Lake (North Carolina) | 2,173.99 mi (3,498.70 km) |
| San Marcos to Spring Valley (California) | 30.13 mi (48.49 km) |
| San Marcos to Spring Valley (Nevada) | 231.58 mi (372.69 km) |
| San Marcos to Spring Valley (New York) | 2,413.18 mi (3,883.64 km) |
| San Marcos to Springboro (Ohio) | 1,874.82 mi (3,017.24 km) |
| San Marcos to Springdale (Arkansas) | 1,321.77 mi (2,127.18 km) |
| San Marcos to Springdale (New Jersey) | 2,367.05 mi (3,809.39 km) |
| San Marcos to Springdale (Ohio) | 1,860.95 mi (2,994.92 km) |
| San Marcos to Springfield (Illinois) | 1,589.47 mi (2,558.00 km) |
| San Marcos to Springfield (Massachusetts) | 2,490.19 mi (4,007.57 km) |
