| Gradignan to Devnya | 1,397.92 mi (2,249.73 km) |
| Gradignan to Dimitrovgrad | 1,323.32 mi (2,129.68 km) |
| Gradignan to Dobrich | 1,405.17 mi (2,261.40 km) |
| Gradignan to Dospat | 1,261.40 mi (2,030.02 km) |
| Gradignan to Dupnitsa | 1,197.33 mi (1,926.92 km) |
| Gradignan to Elhovo | 1,368.37 mi (2,202.18 km) |
| Gradignan to Etropole | 1,230.03 mi (1,979.54 km) |
| Gradignan to Gabrovo | 1,294.75 mi (2,083.70 km) |
| Gradignan to Gorna Oryahovitsa | 1,308.11 mi (2,105.20 km) |
| Gradignan to Gotse Delchev | 1,241.96 mi (1,998.74 km) |
| Gradignan to Harmanli | 1,340.43 mi (2,157.21 km) |
| Gradignan to Haskovo | 1,324.08 mi (2,130.90 km) |
| Gradignan to Ihtiman | 1,228.25 mi (1,976.68 km) |
| Gradignan to Isperih | 1,354.12 mi (2,179.24 km) |
| Gradignan to Kardzhali | 1,320.25 mi (2,124.74 km) |
