| Sparks to Devnya | 6,362.45 mi (10,239.37 km) |
| Sparks to Dimitrovgrad | 6,392.51 mi (10,287.75 km) |
| Sparks to Dobrich | 6,346.01 mi (10,212.92 km) |
| Sparks to Dospat | 6,384.26 mi (10,274.48 km) |
| Sparks to Dupnitsa | 6,321.75 mi (10,173.88 km) |
| Sparks to Elhovo | 6,406.74 mi (10,310.65 km) |
| Sparks to Etropole | 6,307.60 mi (10,151.10 km) |
| Sparks to Gabrovo | 6,335.86 mi (10,196.58 km) |
| Sparks to Gorna Oryahovitsa | 6,327.47 mi (10,183.07 km) |
| Sparks to Gotse Delchev | 6,379.15 mi (10,266.25 km) |
| Sparks to Harmanli | 6,406.50 mi (10,310.27 km) |
| Sparks to Haskovo | 6,399.00 mi (10,298.20 km) |
| Sparks to Ihtiman | 6,327.65 mi (10,183.38 km) |
| Sparks to Isperih | 6,315.63 mi (10,164.03 km) |
| Sparks to Kardzhali | 6,412.04 mi (10,319.17 km) |
