| Isernhagen-Sud to Devnya | 1,034.77 mi (1,665.31 km) |
| Isernhagen-Sud to Dimitrovgrad | 1,025.43 mi (1,650.27 km) |
| Isernhagen-Sud to Dobrich | 1,027.84 mi (1,654.14 km) |
| Isernhagen-Sud to Dospat | 1,000.94 mi (1,610.86 km) |
| Isernhagen-Sud to Dupnitsa | 934.63 mi (1,504.14 km) |
| Isernhagen-Sud to Elhovo | 1,051.90 mi (1,692.86 km) |
| Isernhagen-Sud to Etropole | 931.54 mi (1,499.17 km) |
| Isernhagen-Sud to Gabrovo | 973.95 mi (1,567.42 km) |
| Isernhagen-Sud to Gorna Oryahovitsa | 972.90 mi (1,565.74 km) |
| Isernhagen-Sud to Gotse Delchev | 992.22 mi (1,596.83 km) |
| Isernhagen-Sud to Harmanli | 1,041.54 mi (1,676.20 km) |
| Isernhagen-Sud to Haskovo | 1,030.50 mi (1,658.43 km) |
| Isernhagen-Sud to Ihtiman | 946.91 mi (1,523.90 km) |
| Isernhagen-Sud to Isperih | 984.32 mi (1,584.11 km) |
| Isernhagen-Sud to Kardzhali | 1,039.08 mi (1,672.24 km) |
