| Isbergues to Devnya | 1,282.72 mi (2,064.35 km) |
| Isbergues to Dimitrovgrad | 1,245.50 mi (2,004.43 km) |
| Isbergues to Dobrich | 1,281.38 mi (2,062.18 km) |
| Isbergues to Dospat | 1,203.60 mi (1,937.01 km) |
| Isbergues to Dupnitsa | 1,135.00 mi (1,826.61 km) |
| Isbergues to Elhovo | 1,280.93 mi (2,061.46 km) |
| Isbergues to Etropole | 1,147.68 mi (1,847.01 km) |
| Isbergues to Gabrovo | 1,201.75 mi (1,934.02 km) |
| Isbergues to Gorna Oryahovitsa | 1,206.83 mi (1,942.21 km) |
| Isbergues to Gotse Delchev | 1,189.72 mi (1,914.67 km) |
| Isbergues to Harmanli | 1,262.68 mi (2,032.09 km) |
| Isbergues to Haskovo | 1,248.91 mi (2,009.93 km) |
| Isbergues to Ihtiman | 1,156.22 mi (1,860.75 km) |
| Isbergues to Isperih | 1,233.26 mi (1,984.75 km) |
| Isbergues to Kardzhali | 1,252.48 mi (2,015.67 km) |
