| Bad Nenndorf to Devnya | 1,048.81 mi (1,687.89 km) |
| Bad Nenndorf to Dimitrovgrad | 1,037.36 mi (1,669.47 km) |
| Bad Nenndorf to Dobrich | 1,042.28 mi (1,677.39 km) |
| Bad Nenndorf to Dospat | 1,011.54 mi (1,627.91 km) |
| Bad Nenndorf to Dupnitsa | 944.90 mi (1,520.67 km) |
| Bad Nenndorf to Elhovo | 1,064.54 mi (1,713.21 km) |
| Bad Nenndorf to Etropole | 942.98 mi (1,517.58 km) |
| Bad Nenndorf to Gabrovo | 986.36 mi (1,587.39 km) |
| Bad Nenndorf to Gorna Oryahovitsa | 985.77 mi (1,586.45 km) |
| Bad Nenndorf to Gotse Delchev | 1,002.42 mi (1,613.23 km) |
| Bad Nenndorf to Harmanli | 1,053.58 mi (1,695.58 km) |
| Bad Nenndorf to Haskovo | 1,042.32 mi (1,677.45 km) |
| Bad Nenndorf to Ihtiman | 957.87 mi (1,541.54 km) |
| Bad Nenndorf to Isperih | 998.35 mi (1,606.69 km) |
| Bad Nenndorf to Kardzhali | 1,050.54 mi (1,690.69 km) |
