| Rehlingen-Siersburg to Devnya | 1,079.48 mi (1,737.26 km) |
| Rehlingen-Siersburg to Dimitrovgrad | 1,039.48 mi (1,672.88 km) |
| Rehlingen-Siersburg to Dobrich | 1,079.07 mi (1,736.59 km) |
| Rehlingen-Siersburg to Dospat | 997.07 mi (1,604.63 km) |
| Rehlingen-Siersburg to Dupnitsa | 928.47 mi (1,494.23 km) |
| Rehlingen-Siersburg to Elhovo | 1,075.47 mi (1,730.81 km) |
| Rehlingen-Siersburg to Etropole | 941.61 mi (1,515.38 km) |
| Rehlingen-Siersburg to Gabrovo | 996.37 mi (1,603.51 km) |
| Rehlingen-Siersburg to Gorna Oryahovitsa | 1,002.04 mi (1,612.62 km) |
| Rehlingen-Siersburg to Gotse Delchev | 983.17 mi (1,582.26 km) |
| Rehlingen-Siersburg to Harmanli | 1,056.70 mi (1,700.59 km) |
| Rehlingen-Siersburg to Haskovo | 1,042.80 mi (1,678.23 km) |
| Rehlingen-Siersburg to Ihtiman | 949.85 mi (1,528.63 km) |
| Rehlingen-Siersburg to Isperih | 1,030.38 mi (1,658.24 km) |
| Rehlingen-Siersburg to Kardzhali | 1,046.15 mi (1,683.61 km) |
