| Leon Valley to Devnya | 6,366.16 mi (10,245.35 km) |
| Leon Valley to Dimitrovgrad | 6,351.64 mi (10,221.98 km) |
| Leon Valley to Dobrich | 6,358.33 mi (10,232.74 km) |
| Leon Valley to Dospat | 6,317.08 mi (10,166.35 km) |
| Leon Valley to Dupnitsa | 6,248.67 mi (10,056.27 km) |
| Leon Valley to Elhovo | 6,381.50 mi (10,270.03 km) |
| Leon Valley to Etropole | 6,255.18 mi (10,066.74 km) |
| Leon Valley to Gabrovo | 6,302.75 mi (10,143.29 km) |
| Leon Valley to Gorna Oryahovitsa | 6,303.33 mi (10,144.23 km) |
| Leon Valley to Gotse Delchev | 6,304.56 mi (10,146.21 km) |
| Leon Valley to Harmanli | 6,368.32 mi (10,248.82 km) |
| Leon Valley to Haskovo | 6,356.00 mi (10,229.00 km) |
| Leon Valley to Ihtiman | 6,266.91 mi (10,085.62 km) |
| Leon Valley to Isperih | 6,315.73 mi (10,164.19 km) |
| Leon Valley to Kardzhali | 6,362.13 mi (10,238.85 km) |
