| Happy Valley to Devnya | 6,041.53 mi (9,722.90 km) |
| Happy Valley to Dimitrovgrad | 6,080.65 mi (9,785.86 km) |
| Happy Valley to Dobrich | 6,023.54 mi (9,693.95 km) |
| Happy Valley to Dospat | 6,078.32 mi (9,782.11 km) |
| Happy Valley to Dupnitsa | 6,018.14 mi (9,685.27 km) |
| Happy Valley to Elhovo | 6,091.27 mi (9,802.96 km) |
| Happy Valley to Etropole | 5,999.63 mi (9,655.46 km) |
| Happy Valley to Gabrovo | 6,023.22 mi (9,693.43 km) |
| Happy Valley to Gorna Oryahovitsa | 6,013.01 mi (9,677.01 km) |
| Happy Valley to Gotse Delchev | 6,074.94 mi (9,776.67 km) |
| Happy Valley to Harmanli | 6,093.83 mi (9,807.07 km) |
| Happy Valley to Haskovo | 6,087.50 mi (9,796.89 km) |
| Happy Valley to Ihtiman | 6,021.20 mi (9,690.19 km) |
| Happy Valley to Isperih | 5,996.19 mi (9,649.94 km) |
| Happy Valley to Kardzhali | 6,101.83 mi (9,819.95 km) |
