| Frederickson to Devnya | 5,932.44 mi (9,547.34 km) |
| Frederickson to Dimitrovgrad | 5,972.70 mi (9,612.13 km) |
| Frederickson to Dobrich | 5,914.27 mi (9,518.09 km) |
| Frederickson to Dospat | 5,971.16 mi (9,609.65 km) |
| Frederickson to Dupnitsa | 5,911.33 mi (9,513.37 km) |
| Frederickson to Elhovo | 5,982.86 mi (9,628.48 km) |
| Frederickson to Etropole | 5,892.23 mi (9,482.62 km) |
| Frederickson to Gabrovo | 5,915.19 mi (9,519.58 km) |
| Frederickson to Gorna Oryahovitsa | 5,904.75 mi (9,502.78 km) |
| Frederickson to Gotse Delchev | 5,968.01 mi (9,604.59 km) |
| Frederickson to Harmanli | 5,985.77 mi (9,633.17 km) |
| Frederickson to Haskovo | 5,979.60 mi (9,623.23 km) |
| Frederickson to Ihtiman | 5,914.00 mi (9,517.66 km) |
| Frederickson to Isperih | 5,887.30 mi (9,474.70 km) |
| Frederickson to Kardzhali | 5,994.09 mi (9,646.56 km) |
