| Holt to Devnya | 5,168.15 mi (8,317.34 km) |
| Holt to Dimitrovgrad | 5,153.68 mi (8,294.05 km) |
| Holt to Dobrich | 5,160.47 mi (8,304.97 km) |
| Holt to Dospat | 5,119.70 mi (8,239.36 km) |
| Holt to Dupnitsa | 5,051.35 mi (8,129.37 km) |
| Holt to Elhovo | 5,183.38 mi (8,341.85 km) |
| Holt to Etropole | 5,057.32 mi (8,138.98 km) |
| Holt to Gabrovo | 5,104.66 mi (8,215.15 km) |
| Holt to Gorna Oryahovitsa | 5,105.19 mi (8,216.01 km) |
| Holt to Gotse Delchev | 5,107.41 mi (8,219.58 km) |
| Holt to Harmanli | 5,170.34 mi (8,320.85 km) |
| Holt to Haskovo | 5,158.08 mi (8,301.13 km) |
| Holt to Ihtiman | 5,069.26 mi (8,158.18 km) |
| Holt to Isperih | 5,117.71 mi (8,236.16 km) |
| Holt to Kardzhali | 5,164.35 mi (8,311.22 km) |
