| Boerne to Devnya | 6,354.06 mi (10,225.86 km) |
| Boerne to Dimitrovgrad | 6,340.10 mi (10,203.40 km) |
| Boerne to Dobrich | 6,346.11 mi (10,213.07 km) |
| Boerne to Dospat | 6,305.86 mi (10,148.29 km) |
| Boerne to Dupnitsa | 6,237.47 mi (10,038.24 km) |
| Boerne to Elhovo | 6,369.78 mi (10,251.16 km) |
| Boerne to Etropole | 6,243.71 mi (10,048.29 km) |
| Boerne to Gabrovo | 6,291.07 mi (10,124.49 km) |
| Boerne to Gorna Oryahovitsa | 6,291.53 mi (10,125.24 km) |
| Boerne to Gotse Delchev | 6,293.43 mi (10,128.29 km) |
| Boerne to Harmanli | 6,356.76 mi (10,230.21 km) |
| Boerne to Haskovo | 6,344.49 mi (10,210.47 km) |
| Boerne to Ihtiman | 6,255.56 mi (10,067.36 km) |
| Boerne to Isperih | 6,303.63 mi (10,144.72 km) |
| Boerne to Kardzhali | 6,350.71 mi (10,220.48 km) |
