| Sidcup to Devnya | 1,395.14 mi (2,245.26 km) |
| Sidcup to Dimitrovgrad | 1,360.27 mi (2,189.14 km) |
| Sidcup to Dobrich | 1,393.13 mi (2,242.03 km) |
| Sidcup to Dospat | 1,319.24 mi (2,123.11 km) |
| Sidcup to Dupnitsa | 1,250.64 mi (2,012.71 km) |
| Sidcup to Elhovo | 1,395.13 mi (2,245.24 km) |
| Sidcup to Etropole | 1,262.52 mi (2,031.83 km) |
| Sidcup to Gabrovo | 1,315.89 mi (2,117.71 km) |
| Sidcup to Gorna Oryahovitsa | 1,320.48 mi (2,125.10 km) |
| Sidcup to Gotse Delchev | 1,305.54 mi (2,101.06 km) |
| Sidcup to Harmanli | 1,377.41 mi (2,216.73 km) |
| Sidcup to Haskovo | 1,363.79 mi (2,194.82 km) |
| Sidcup to Ihtiman | 1,271.47 mi (2,046.23 km) |
| Sidcup to Isperih | 1,345.46 mi (2,165.31 km) |
| Sidcup to Kardzhali | 1,367.66 mi (2,201.04 km) |
