| Boerne to Dardenne Prairie (Missouri) | 769.19 mi (1,237.88 km) |
| Boerne to Darien (Illinois) | 1,020.86 mi (1,642.92 km) |
| Boerne to Davenport (Iowa) | 931.39 mi (1,498.93 km) |
| Boerne to Davidson (North Carolina) | 1,111.66 mi (1,789.05 km) |
| Boerne to Davie (Florida) | 1,153.14 mi (1,855.80 km) |
| Boerne to Davis (California) | 1,442.80 mi (2,321.96 km) |
| Boerne to Dayton (Nevada) | 1,350.05 mi (2,172.70 km) |
| Boerne to Dayton (Ohio) | 1,073.01 mi (1,726.84 km) |
| Boerne to Daytona Beach (Florida) | 1,060.08 mi (1,706.03 km) |
| Boerne to De Pere (Wisconsin) | 1,167.47 mi (1,878.86 km) |
| Boerne to De Witt (New York) | 1,548.39 mi (2,491.89 km) |
| Boerne to Dearborn (Michigan) | 1,221.15 mi (1,965.25 km) |
| Boerne to Dearborn Heights (Michigan) | 1,218.82 mi (1,961.50 km) |
| Boerne to DeBary (Florida) | 1,049.26 mi (1,688.62 km) |
| Boerne to Decatur (Alabama) | 761.34 mi (1,225.26 km) |
