| Killeen to Devnya | 6,246.93 mi (10,053.47 km) |
| Killeen to Dimitrovgrad | 6,233.19 mi (10,031.34 km) |
| Killeen to Dobrich | 6,238.96 mi (10,040.63 km) |
| Killeen to Dospat | 6,199.11 mi (9,976.50 km) |
| Killeen to Dupnitsa | 6,130.74 mi (9,866.47 km) |
| Killeen to Elhovo | 6,262.78 mi (10,078.98 km) |
| Killeen to Etropole | 6,136.84 mi (9,876.29 km) |
| Killeen to Gabrovo | 6,184.09 mi (9,952.33 km) |
| Killeen to Gorna Oryahovitsa | 6,184.51 mi (9,953.01 km) |
| Killeen to Gotse Delchev | 6,186.73 mi (9,956.57 km) |
| Killeen to Harmanli | 6,249.83 mi (10,058.14 km) |
| Killeen to Haskovo | 6,237.59 mi (10,038.44 km) |
| Killeen to Ihtiman | 6,148.75 mi (9,895.45 km) |
| Killeen to Isperih | 6,196.51 mi (9,972.33 km) |
| Killeen to Kardzhali | 6,243.86 mi (10,048.52 km) |
