| Sligo to Devnya | 1,785.89 mi (2,874.11 km) |
| Sligo to Dimitrovgrad | 1,759.34 mi (2,831.39 km) |
| Sligo to Dobrich | 1,781.71 mi (2,867.39 km) |
| Sligo to Dospat | 1,721.81 mi (2,770.99 km) |
| Sligo to Dupnitsa | 1,653.31 mi (2,660.74 km) |
| Sligo to Elhovo | 1,792.00 mi (2,883.95 km) |
| Sligo to Etropole | 1,662.07 mi (2,674.85 km) |
| Sligo to Gabrovo | 1,712.77 mi (2,756.44 km) |
| Sligo to Gorna Oryahovitsa | 1,715.63 mi (2,761.04 km) |
| Sligo to Gotse Delchev | 1,708.94 mi (2,750.28 km) |
| Sligo to Harmanli | 1,776.30 mi (2,858.67 km) |
| Sligo to Haskovo | 1,763.28 mi (2,837.73 km) |
| Sligo to Ihtiman | 1,672.54 mi (2,691.69 km) |
| Sligo to Isperih | 1,735.67 mi (2,793.29 km) |
| Sligo to Kardzhali | 1,768.31 mi (2,845.81 km) |
