| San Marcos to Wayne (Michigan) | 1,937.05 mi (3,117.38 km) |
| San Marcos to Waynesboro (Pennsylvania) | 2,228.82 mi (3,586.94 km) |
| San Marcos to Waynesboro (Virginia) | 2,161.53 mi (3,478.65 km) |
| San Marcos to Weatherford (Oklahoma) | 1,066.21 mi (1,715.90 km) |
| San Marcos to Weatherford (Texas) | 1,123.69 mi (1,808.40 km) |
| San Marcos to Webb City (Missouri) | 1,309.12 mi (2,106.82 km) |
| San Marcos to Webster (Texas) | 1,322.63 mi (2,128.57 km) |
| San Marcos to Webster Groves (Missouri) | 1,542.28 mi (2,482.06 km) |
| San Marcos to Weddington (North Carolina) | 2,077.69 mi (3,343.73 km) |
| San Marcos to Weigelstown (Pennsylvania) | 2,268.43 mi (3,650.68 km) |
| San Marcos to Weirton (West Virginia) | 2,071.59 mi (3,333.90 km) |
| San Marcos to Wekiwa Springs (Florida) | 2,130.80 mi (3,429.19 km) |
| San Marcos to Welby (Colorado) | 820.11 mi (1,319.85 km) |
| San Marcos to Wellington (Colorado) | 850.11 mi (1,368.12 km) |
| San Marcos to Wellington (Florida) | 2,243.75 mi (3,610.97 km) |
