| Kostanjevica na Krki to Devnya | 624.30 mi (1,004.72 km) |
| Kostanjevica na Krki to Dimitrovgrad | 569.49 mi (916.51 km) |
| Kostanjevica na Krki to Dobrich | 628.63 mi (1,011.68 km) |
| Kostanjevica na Krki to Dospat | 523.40 mi (842.32 km) |
| Kostanjevica na Krki to Dupnitsa | 454.85 mi (732.00 km) |
| Kostanjevica na Krki to Elhovo | 608.57 mi (979.40 km) |
| Kostanjevica na Krki to Etropole | 471.78 mi (759.26 km) |
| Kostanjevica na Krki to Gabrovo | 530.55 mi (853.84 km) |
| Kostanjevica na Krki to Gorna Oryahovitsa | 539.54 mi (868.31 km) |
| Kostanjevica na Krki to Gotse Delchev | 509.11 mi (819.34 km) |
| Kostanjevica na Krki to Harmanli | 586.85 mi (944.44 km) |
| Kostanjevica na Krki to Haskovo | 572.21 mi (920.88 km) |
| Kostanjevica na Krki to Ihtiman | 477.75 mi (768.87 km) |
| Kostanjevica na Krki to Isperih | 577.95 mi (930.12 km) |
| Kostanjevica na Krki to Kardzhali | 574.09 mi (923.92 km) |
