| Darlington to Devnya | 1,520.66 mi (2,447.27 km) |
| Darlington to Dimitrovgrad | 1,501.89 mi (2,417.06 km) |
| Darlington to Dobrich | 1,515.04 mi (2,438.22 km) |
| Darlington to Dospat | 1,469.50 mi (2,364.93 km) |
| Darlington to Dupnitsa | 1,401.50 mi (2,255.49 km) |
| Darlington to Elhovo | 1,531.97 mi (2,465.47 km) |
| Darlington to Etropole | 1,405.66 mi (2,262.19 km) |
| Darlington to Gabrovo | 1,453.09 mi (2,338.52 km) |
| Darlington to Gorna Oryahovitsa | 1,454.24 mi (2,340.37 km) |
| Darlington to Gotse Delchev | 1,458.18 mi (2,346.71 km) |
| Darlington to Harmanli | 1,518.54 mi (2,443.86 km) |
| Darlington to Haskovo | 1,506.32 mi (2,424.19 km) |
| Darlington to Ihtiman | 1,418.12 mi (2,282.25 km) |
| Darlington to Isperih | 1,470.25 mi (2,366.14 km) |
| Darlington to Kardzhali | 1,512.83 mi (2,434.67 km) |
