| Halstead to Devnya | 1,381.54 mi (2,223.38 km) |
| Halstead to Dimitrovgrad | 1,350.45 mi (2,173.34 km) |
| Halstead to Dobrich | 1,378.72 mi (2,218.83 km) |
| Halstead to Dospat | 1,311.58 mi (2,110.79 km) |
| Halstead to Dupnitsa | 1,243.04 mi (2,000.48 km) |
| Halstead to Elhovo | 1,384.18 mi (2,227.63 km) |
| Halstead to Etropole | 1,252.93 mi (2,016.40 km) |
| Halstead to Gabrovo | 1,304.91 mi (2,100.05 km) |
| Halstead to Gorna Oryahovitsa | 1,308.68 mi (2,106.11 km) |
| Halstead to Gotse Delchev | 1,298.50 mi (2,089.73 km) |
| Halstead to Harmanli | 1,367.50 mi (2,200.77 km) |
| Halstead to Haskovo | 1,354.21 mi (2,179.39 km) |
| Halstead to Ihtiman | 1,262.79 mi (2,032.27 km) |
| Halstead to Isperih | 1,331.62 mi (2,143.03 km) |
| Halstead to Kardzhali | 1,358.75 mi (2,186.70 km) |
