| Thornbury to Devnya | 1,508.27 mi (2,427.33 km) |
| Thornbury to Dimitrovgrad | 1,472.00 mi (2,368.95 km) |
| Thornbury to Dobrich | 1,506.46 mi (2,424.41 km) |
| Thornbury to Dospat | 1,429.81 mi (2,301.06 km) |
| Thornbury to Dupnitsa | 1,361.22 mi (2,190.67 km) |
| Thornbury to Elhovo | 1,507.35 mi (2,425.85 km) |
| Thornbury to Etropole | 1,374.18 mi (2,211.52 km) |
| Thornbury to Gabrovo | 1,428.15 mi (2,298.38 km) |
| Thornbury to Gorna Oryahovitsa | 1,433.06 mi (2,306.29 km) |
| Thornbury to Gotse Delchev | 1,415.74 mi (2,278.41 km) |
| Thornbury to Harmanli | 1,489.18 mi (2,396.61 km) |
| Thornbury to Haskovo | 1,475.41 mi (2,374.44 km) |
| Thornbury to Ihtiman | 1,382.65 mi (2,225.15 km) |
| Thornbury to Isperih | 1,458.66 mi (2,347.48 km) |
| Thornbury to Kardzhali | 1,478.93 mi (2,380.10 km) |
