| Kostrzyn to Devnya | 793.66 mi (1,277.28 km) |
| Kostrzyn to Dimitrovgrad | 814.45 mi (1,310.73 km) |
| Kostrzyn to Dobrich | 781.17 mi (1,257.18 km) |
| Kostrzyn to Dospat | 810.32 mi (1,304.08 km) |
| Kostrzyn to Dupnitsa | 751.74 mi (1,209.81 km) |
| Kostrzyn to Elhovo | 829.86 mi (1,335.54 km) |
| Kostrzyn to Etropole | 731.38 mi (1,177.04 km) |
| Kostrzyn to Gabrovo | 757.85 mi (1,219.64 km) |
| Kostrzyn to Gorna Oryahovitsa | 750.16 mi (1,207.26 km) |
| Kostrzyn to Gotse Delchev | 807.81 mi (1,300.05 km) |
| Kostrzyn to Harmanli | 828.46 mi (1,333.28 km) |
| Kostrzyn to Haskovo | 820.98 mi (1,321.24 km) |
| Kostrzyn to Ihtiman | 753.11 mi (1,212.01 km) |
| Kostrzyn to Isperih | 744.62 mi (1,198.34 km) |
| Kostrzyn to Kardzhali | 834.38 mi (1,342.81 km) |
