| Fern Down to Devnya | 1,472.02 mi (2,368.98 km) |
| Fern Down to Dimitrovgrad | 1,431.64 mi (2,304.00 km) |
| Fern Down to Dobrich | 1,471.15 mi (2,367.59 km) |
| Fern Down to Dospat | 1,387.32 mi (2,232.67 km) |
| Fern Down to Dupnitsa | 1,318.79 mi (2,122.39 km) |
| Fern Down to Elhovo | 1,468.14 mi (2,362.75 km) |
| Fern Down to Etropole | 1,333.74 mi (2,146.45 km) |
| Fern Down to Gabrovo | 1,389.09 mi (2,235.53 km) |
| Fern Down to Gorna Oryahovitsa | 1,394.89 mi (2,244.86 km) |
| Fern Down to Gotse Delchev | 1,372.66 mi (2,209.08 km) |
| Fern Down to Harmanli | 1,448.90 mi (2,331.78 km) |
| Fern Down to Haskovo | 1,434.81 mi (2,309.10 km) |
| Fern Down to Ihtiman | 1,341.26 mi (2,158.54 km) |
| Fern Down to Isperih | 1,422.75 mi (2,289.70 km) |
| Fern Down to Kardzhali | 1,437.62 mi (2,313.63 km) |
