| San Marcos to Mineola (New York) | 2,435.15 mi (3,918.99 km) |
| San Marcos to Mineral Wells (Texas) | 1,105.57 mi (1,779.25 km) |
| San Marcos to Minneapolis (Minnesota) | 1,512.11 mi (2,433.50 km) |
| San Marcos to Minnehaha (Washington) | 912.22 mi (1,468.07 km) |
| San Marcos to Minneola (Florida) | 2,114.94 mi (3,403.66 km) |
| San Marcos to Minnetonka (Minnesota) | 1,502.67 mi (2,418.31 km) |
| San Marcos to Minooka (Illinois) | 1,679.50 mi (2,702.89 km) |
| San Marcos to Minot (North Dakota) | 1,329.52 mi (2,139.65 km) |
| San Marcos to Mint Hill (North Carolina) | 2,081.21 mi (3,349.38 km) |
| San Marcos to Miramar (Florida) | 2,256.55 mi (3,631.57 km) |
| San Marcos to Mishawaka (Indiana) | 1,789.74 mi (2,880.31 km) |
| San Marcos to Mission (Texas) | 1,226.32 mi (1,973.58 km) |
| San Marcos to Mission Bend (Texas) | 1,287.93 mi (2,072.72 km) |
| San Marcos to Mission Viejo (California) | 42.95 mi (69.13 km) |
| San Marcos to Missoula (Montana) | 963.68 mi (1,550.90 km) |
