| San Marcos to Worthington (Ohio) | 1,941.29 mi (3,124.20 km) |
| San Marcos to Wright (Florida) | 1,796.40 mi (2,891.03 km) |
| San Marcos to Wyandanch (New York) | 2,449.59 mi (3,942.23 km) |
| San Marcos to Wyandotte (Michigan) | 1,948.20 mi (3,135.32 km) |
| San Marcos to Wylie (Texas) | 1,193.98 mi (1,921.53 km) |
| San Marcos to Wyndham (Virginia) | 2,233.25 mi (3,594.07 km) |
| San Marcos to Wyoming (Michigan) | 1,827.61 mi (2,941.26 km) |
| San Marcos to Wyomissing (Pennsylvania) | 2,313.47 mi (3,723.17 km) |
| San Marcos to Xenia (Ohio) | 1,890.90 mi (3,043.11 km) |
| San Marcos to Yakima (Washington) | 946.64 mi (1,523.47 km) |
| San Marcos to Yankton (South Dakota) | 1,265.52 mi (2,036.66 km) |
| San Marcos to Yauco (Puerto Rico) | 3,270.57 mi (5,263.47 km) |
| San Marcos to Yazoo City (Mississippi) | 1,546.94 mi (2,489.55 km) |
| San Marcos to Yeadon (Pennsylvania) | 2,352.06 mi (3,785.28 km) |
| San Marcos to Yelm (Washington) | 995.82 mi (1,602.62 km) |
