| Hardinxveld-Giessendam to Devnya | 1,208.60 mi (1,945.05 km) |
| Hardinxveld-Giessendam to Dimitrovgrad | 1,182.96 mi (1,903.79 km) |
| Hardinxveld-Giessendam to Dobrich | 1,204.82 mi (1,938.96 km) |
| Hardinxveld-Giessendam to Dospat | 1,147.95 mi (1,847.45 km) |
| Hardinxveld-Giessendam to Dupnitsa | 1,079.71 mi (1,737.62 km) |
| Hardinxveld-Giessendam to Elhovo | 1,214.87 mi (1,955.14 km) |
| Hardinxveld-Giessendam to Etropole | 1,086.04 mi (1,747.82 km) |
| Hardinxveld-Giessendam to Gabrovo | 1,135.69 mi (1,827.71 km) |
| Hardinxveld-Giessendam to Gorna Oryahovitsa | 1,138.24 mi (1,831.81 km) |
| Hardinxveld-Giessendam to Gotse Delchev | 1,136.06 mi (1,828.32 km) |
| Hardinxveld-Giessendam to Harmanli | 1,199.82 mi (1,930.92 km) |
| Hardinxveld-Giessendam to Haskovo | 1,187.09 mi (1,910.44 km) |
| Hardinxveld-Giessendam to Ihtiman | 1,097.46 mi (1,766.19 km) |
| Hardinxveld-Giessendam to Isperih | 1,158.44 mi (1,864.32 km) |
| Hardinxveld-Giessendam to Kardzhali | 1,192.77 mi (1,919.57 km) |
