| Slough to Devnya | 1,425.38 mi (2,293.93 km) |
| Slough to Dimitrovgrad | 1,390.28 mi (2,237.44 km) |
| Slough to Dobrich | 1,423.39 mi (2,290.72 km) |
| Slough to Dospat | 1,349.02 mi (2,171.04 km) |
| Slough to Dupnitsa | 1,280.42 mi (2,060.64 km) |
| Slough to Elhovo | 1,425.23 mi (2,293.69 km) |
| Slough to Etropole | 1,292.52 mi (2,080.11 km) |
| Slough to Gabrovo | 1,346.00 mi (2,166.17 km) |
| Slough to Gorna Oryahovitsa | 1,350.64 mi (2,173.65 km) |
| Slough to Gotse Delchev | 1,335.24 mi (2,148.86 km) |
| Slough to Harmanli | 1,407.43 mi (2,265.05 km) |
| Slough to Haskovo | 1,393.79 mi (2,243.08 km) |
| Slough to Ihtiman | 1,301.37 mi (2,094.36 km) |
| Slough to Isperih | 1,375.70 mi (2,213.98 km) |
| Slough to Kardzhali | 1,397.59 mi (2,249.20 km) |
