| San Marcos to Kihei (Hawaii) | 2,547.76 mi (4,100.22 km) |
| San Marcos to Kilgore (Texas) | 1,294.99 mi (2,084.09 km) |
| San Marcos to Killeen (Texas) | 1,145.22 mi (1,843.06 km) |
| San Marcos to King City (California) | 309.66 mi (498.35 km) |
| San Marcos to King of Prussia (Pennsylvania) | 2,344.86 mi (3,773.69 km) |
| San Marcos to Kingman (Arizona) | 231.06 mi (371.85 km) |
| San Marcos to Kings Mountain (North Carolina) | 2,041.65 mi (3,285.72 km) |
| San Marcos to Kings Park (New York) | 2,455.32 mi (3,951.46 km) |
| San Marcos to Kings Park West (Virginia) | 2,245.98 mi (3,614.55 km) |
| San Marcos to Kingsburg (California) | 270.44 mi (435.24 km) |
| San Marcos to Kingsland (Georgia) | 2,074.17 mi (3,338.06 km) |
| San Marcos to Kingsport (Tennessee) | 1,967.30 mi (3,166.07 km) |
| San Marcos to Kingston (New York) | 2,415.44 mi (3,887.27 km) |
| San Marcos to Kingston (Pennsylvania) | 2,317.51 mi (3,729.68 km) |
| San Marcos to Kingstowne (Virginia) | 2,254.29 mi (3,627.93 km) |
