| Wallingford to Devnya | 1,449.25 mi (2,332.34 km) |
| Wallingford to Dimitrovgrad | 1,414.16 mi (2,275.87 km) |
| Wallingford to Dobrich | 1,447.23 mi (2,329.09 km) |
| Wallingford to Dospat | 1,372.83 mi (2,209.35 km) |
| Wallingford to Dupnitsa | 1,304.22 mi (2,098.95 km) |
| Wallingford to Elhovo | 1,449.13 mi (2,332.15 km) |
| Wallingford to Etropole | 1,316.40 mi (2,118.53 km) |
| Wallingford to Gabrovo | 1,369.89 mi (2,204.63 km) |
| Wallingford to Gorna Oryahovitsa | 1,374.54 mi (2,212.11 km) |
| Wallingford to Gotse Delchev | 1,359.01 mi (2,187.12 km) |
| Wallingford to Harmanli | 1,431.32 mi (2,303.48 km) |
| Wallingford to Haskovo | 1,417.66 mi (2,281.51 km) |
| Wallingford to Ihtiman | 1,325.22 mi (2,132.74 km) |
| Wallingford to Isperih | 1,399.57 mi (2,252.38 km) |
| Wallingford to Kardzhali | 1,421.44 mi (2,287.59 km) |
