| San Marcos to Bridgeport (Connecticut) | 2,457.44 mi (3,954.87 km) |
| San Marcos to Bridgeton (Missouri) | 1,539.69 mi (2,477.89 km) |
| San Marcos to Bridgetown (Ohio) | 1,851.94 mi (2,980.41 km) |
| San Marcos to Bridgeview (Illinois) | 1,707.19 mi (2,747.46 km) |
| San Marcos to Brigham City (Utah) | 642.92 mi (1,034.68 km) |
| San Marcos to Brighton (Colorado) | 832.45 mi (1,339.70 km) |
| San Marcos to Bristol (Connecticut) | 2,469.95 mi (3,974.99 km) |
| San Marcos to Bristol (Tennessee) | 1,985.44 mi (3,195.25 km) |
| San Marcos to Bristol (Virginia) | 1,988.22 mi (3,199.73 km) |
| San Marcos to Broadlands (Virginia) | 2,233.57 mi (3,594.59 km) |
| San Marcos to Broadview Heights (Ohio) | 2,017.43 mi (3,246.75 km) |
| San Marcos to Brock Hall (Maryland) | 2,275.41 mi (3,661.92 km) |
| San Marcos to Brockton (Massachusetts) | 2,567.90 mi (4,132.64 km) |
| San Marcos to Broken Arrow (Oklahoma) | 1,230.76 mi (1,980.72 km) |
| San Marcos to Bronx (New York) | 2,423.09 mi (3,899.58 km) |
