| Folsom to Devnya | 6,449.79 mi (10,379.93 km) |
| Folsom to Dimitrovgrad | 6,481.26 mi (10,430.58 km) |
| Folsom to Dobrich | 6,433.09 mi (10,353.05 km) |
| Folsom to Dospat | 6,473.86 mi (10,418.67 km) |
| Folsom to Dupnitsa | 6,411.65 mi (10,318.55 km) |
| Folsom to Elhovo | 6,494.95 mi (10,452.61 km) |
| Folsom to Etropole | 6,396.88 mi (10,294.79 km) |
| Folsom to Gabrovo | 6,424.48 mi (10,339.20 km) |
| Folsom to Gorna Oryahovitsa | 6,415.81 mi (10,325.24 km) |
| Folsom to Gotse Delchev | 6,468.98 mi (10,410.82 km) |
| Folsom to Harmanli | 6,495.14 mi (10,452.91 km) |
| Folsom to Haskovo | 6,487.81 mi (10,441.12 km) |
| Folsom to Ihtiman | 6,417.16 mi (10,327.42 km) |
| Folsom to Isperih | 6,403.19 mi (10,304.94 km) |
| Folsom to Kardzhali | 6,501.04 mi (10,462.41 km) |
