| Boerne to Dumas (Texas) | 459.87 mi (740.09 km) |
| Boerne to Dumont (New Jersey) | 1,584.79 mi (2,550.47 km) |
| Boerne to Duncan (Oklahoma) | 331.99 mi (534.28 km) |
| Boerne to Duncanville (Texas) | 224.94 mi (362.01 km) |
| Boerne to Dundalk (Maryland) | 1,419.89 mi (2,285.09 km) |
| Boerne to Dunedin (Florida) | 971.06 mi (1,562.77 km) |
| Boerne to Dunkirk (New York) | 1,387.31 mi (2,232.65 km) |
| Boerne to Dunmore (Pennsylvania) | 1,520.05 mi (2,446.28 km) |
| Boerne to Dunwoody (Georgia) | 892.47 mi (1,436.29 km) |
| Boerne to Durango (Colorado) | 737.42 mi (1,186.76 km) |
| Boerne to Durant (Oklahoma) | 321.55 mi (517.49 km) |
| Boerne to Durham (North Carolina) | 1,224.69 mi (1,970.95 km) |
| Boerne to Dyer (Indiana) | 1,023.68 mi (1,647.46 km) |
| Boerne to Dyersburg (Tennessee) | 693.20 mi (1,115.61 km) |
| Boerne to Eagan (Minnesota) | 1,082.04 mi (1,741.38 km) |
