| Walton upon Thames to Devnya | 1,416.21 mi (2,279.17 km) |
| Walton upon Thames to Dimitrovgrad | 1,380.56 mi (2,221.79 km) |
| Walton upon Thames to Dobrich | 1,414.35 mi (2,276.18 km) |
| Walton upon Thames to Dospat | 1,339.03 mi (2,154.95 km) |
| Walton upon Thames to Dupnitsa | 1,270.42 mi (2,044.55 km) |
| Walton upon Thames to Elhovo | 1,415.66 mi (2,278.29 km) |
| Walton upon Thames to Etropole | 1,282.78 mi (2,064.43 km) |
| Walton upon Thames to Gabrovo | 1,336.44 mi (2,150.79 km) |
| Walton upon Thames to Gorna Oryahovitsa | 1,341.20 mi (2,158.46 km) |
| Walton upon Thames to Gotse Delchev | 1,325.17 mi (2,132.66 km) |
| Walton upon Thames to Harmanli | 1,397.72 mi (2,249.42 km) |
| Walton upon Thames to Haskovo | 1,384.03 mi (2,227.39 km) |
| Walton upon Thames to Ihtiman | 1,291.51 mi (2,078.48 km) |
| Walton upon Thames to Isperih | 1,366.58 mi (2,199.29 km) |
| Walton upon Thames to Kardzhali | 1,387.75 mi (2,233.36 km) |
