| Durham to Devnya | 1,527.09 mi (2,457.61 km) |
| Durham to Dimitrovgrad | 1,509.66 mi (2,429.57 km) |
| Durham to Dobrich | 1,521.17 mi (2,448.09 km) |
| Durham to Dospat | 1,478.02 mi (2,378.65 km) |
| Durham to Dupnitsa | 1,410.12 mi (2,269.37 km) |
| Durham to Elhovo | 1,539.32 mi (2,477.30 km) |
| Durham to Etropole | 1,413.63 mi (2,275.02 km) |
| Durham to Gabrovo | 1,460.53 mi (2,350.49 km) |
| Durham to Gorna Oryahovitsa | 1,461.39 mi (2,351.88 km) |
| Durham to Gotse Delchev | 1,466.91 mi (2,360.77 km) |
| Durham to Harmanli | 1,526.26 mi (2,456.28 km) |
| Durham to Haskovo | 1,514.16 mi (2,436.81 km) |
| Durham to Ihtiman | 1,426.38 mi (2,295.54 km) |
| Durham to Isperih | 1,476.65 mi (2,376.44 km) |
| Durham to Kardzhali | 1,520.90 mi (2,447.65 km) |
