| San Marcos to Platteville (Wisconsin) | 1,590.25 mi (2,559.26 km) |
| San Marcos to Plattsburgh (New York) | 2,448.97 mi (3,941.24 km) |
| San Marcos to Pleasant Grove (Utah) | 583.20 mi (938.56 km) |
| San Marcos to Pleasant Hill (California) | 432.05 mi (695.31 km) |
| San Marcos to Pleasant Hill (Iowa) | 1,419.38 mi (2,284.26 km) |
| San Marcos to Pleasant Prairie (Wisconsin) | 1,713.99 mi (2,758.40 km) |
| San Marcos to Pleasant View (Utah) | 633.09 mi (1,018.86 km) |
| San Marcos to Pleasanton (California) | 410.08 mi (659.96 km) |
| San Marcos to Pleasanton (Texas) | 1,140.83 mi (1,835.99 km) |
| San Marcos to Pleasantville (New Jersey) | 2,392.85 mi (3,850.91 km) |
| San Marcos to Plover (Wisconsin) | 1,669.95 mi (2,687.53 km) |
| San Marcos to Plum (Pennsylvania) | 2,114.78 mi (3,403.41 km) |
| San Marcos to Plymouth (Indiana) | 1,778.51 mi (2,862.24 km) |
| San Marcos to Plymouth (Minnesota) | 1,505.19 mi (2,422.38 km) |
| San Marcos to Pocatello (Idaho) | 719.67 mi (1,158.20 km) |
