| Usingen to Devnya | 1,021.81 mi (1,644.45 km) |
| Usingen to Dimitrovgrad | 993.04 mi (1,598.14 km) |
| Usingen to Dobrich | 1,019.04 mi (1,639.99 km) |
| Usingen to Dospat | 957.37 mi (1,540.74 km) |
| Usingen to Dupnitsa | 889.11 mi (1,430.88 km) |
| Usingen to Elhovo | 1,025.63 mi (1,650.59 km) |
| Usingen to Etropole | 895.93 mi (1,441.85 km) |
| Usingen to Gabrovo | 946.39 mi (1,523.06 km) |
| Usingen to Gorna Oryahovitsa | 949.56 mi (1,528.17 km) |
| Usingen to Gotse Delchev | 945.45 mi (1,521.55 km) |
| Usingen to Harmanli | 1,009.95 mi (1,625.36 km) |
| Usingen to Haskovo | 997.06 mi (1,604.61 km) |
| Usingen to Ihtiman | 907.04 mi (1,459.74 km) |
| Usingen to Isperih | 971.88 mi (1,564.09 km) |
| Usingen to Kardzhali | 1,002.48 mi (1,613.33 km) |
