| Southlake to Devnya | 6,122.51 mi (9,853.22 km) |
| Southlake to Dimitrovgrad | 6,110.45 mi (9,833.81 km) |
| Southlake to Dobrich | 6,114.20 mi (9,839.85 km) |
| Southlake to Dospat | 6,077.36 mi (9,780.57 km) |
| Southlake to Dupnitsa | 6,009.08 mi (9,670.68 km) |
| Southlake to Elhovo | 6,139.49 mi (9,880.56 km) |
| Southlake to Etropole | 6,014.34 mi (9,679.15 km) |
| Southlake to Gabrovo | 6,060.93 mi (9,754.13 km) |
| Southlake to Gorna Oryahovitsa | 6,061.01 mi (9,754.25 km) |
| Southlake to Gotse Delchev | 6,065.26 mi (9,761.10 km) |
| Southlake to Harmanli | 6,127.02 mi (9,860.49 km) |
| Southlake to Haskovo | 6,114.95 mi (9,841.06 km) |
| Southlake to Ihtiman | 6,026.62 mi (9,698.91 km) |
| Southlake to Isperih | 6,072.11 mi (9,772.12 km) |
| Southlake to Kardzhali | 6,121.51 mi (9,851.61 km) |
