| San Luis to Blue Island (Illinois) | 1,610.30 mi (2,591.52 km) |
| San Luis to Blue Springs (Missouri) | 1,227.93 mi (1,976.17 km) |
| San Luis to Bluffdale (Utah) | 572.58 mi (921.47 km) |
| San Luis to Bluffton (Indiana) | 1,724.59 mi (2,775.46 km) |
| San Luis to Bluffton (South Carolina) | 1,963.24 mi (3,159.53 km) |
| San Luis to Blythe (California) | 78.30 mi (126.01 km) |
| San Luis to Blytheville (Arkansas) | 1,433.04 mi (2,306.26 km) |
| San Luis to Boca Raton (Florida) | 2,114.97 mi (3,403.71 km) |
| San Luis to Boerne (Texas) | 962.35 mi (1,548.76 km) |
| San Luis to Bogalusa (Louisiana) | 1,463.03 mi (2,354.52 km) |
| San Luis to Boiling Springs (South Carolina) | 1,879.83 mi (3,025.30 km) |
| San Luis to Boise (Idaho) | 772.00 mi (1,242.41 km) |
| San Luis to Bolingbrook (Illinois) | 1,589.84 mi (2,558.59 km) |
| San Luis to Bolivar (Missouri) | 1,251.95 mi (2,014.82 km) |
| San Luis to Bon Air (Virginia) | 2,116.37 mi (3,405.97 km) |
