| Somerset to Devnya | 4,891.46 mi (7,872.05 km) |
| Somerset to Dimitrovgrad | 4,861.68 mi (7,824.13 km) |
| Somerset to Dobrich | 4,887.08 mi (7,865.00 km) |
| Somerset to Dospat | 4,819.48 mi (7,756.20 km) |
| Somerset to Dupnitsa | 4,750.91 mi (7,645.86 km) |
| Somerset to Elhovo | 4,896.03 mi (7,879.39 km) |
| Somerset to Etropole | 4,763.95 mi (7,666.83 km) |
| Somerset to Gabrovo | 4,816.75 mi (7,751.81 km) |
| Somerset to Gorna Oryahovitsa | 4,820.44 mi (7,757.75 km) |
| Somerset to Gotse Delchev | 4,804.96 mi (7,732.83 km) |
| Somerset to Harmanli | 4,878.82 mi (7,851.70 km) |
| Somerset to Haskovo | 4,865.22 mi (7,829.82 km) |
| Somerset to Ihtiman | 4,772.64 mi (7,680.82 km) |
| Somerset to Isperih | 4,841.23 mi (7,791.20 km) |
| Somerset to Kardzhali | 4,868.92 mi (7,835.76 km) |
