| Thetford to Devnya | 1,386.29 mi (2,231.01 km) |
| Thetford to Dimitrovgrad | 1,358.15 mi (2,185.74 km) |
| Thetford to Dobrich | 1,382.81 mi (2,225.42 km) |
| Thetford to Dospat | 1,320.94 mi (2,125.84 km) |
| Thetford to Dupnitsa | 1,252.48 mi (2,015.67 km) |
| Thetford to Elhovo | 1,391.01 mi (2,238.61 km) |
| Thetford to Etropole | 1,260.88 mi (2,029.19 km) |
| Thetford to Gabrovo | 1,311.76 mi (2,111.07 km) |
| Thetford to Gorna Oryahovitsa | 1,314.89 mi (2,116.11 km) |
| Thetford to Gotse Delchev | 1,308.31 mi (2,105.52 km) |
| Thetford to Harmanli | 1,375.12 mi (2,213.04 km) |
| Thetford to Haskovo | 1,362.09 mi (2,192.07 km) |
| Thetford to Ihtiman | 1,271.42 mi (2,046.16 km) |
| Thetford to Isperih | 1,336.20 mi (2,150.41 km) |
| Thetford to Kardzhali | 1,367.14 mi (2,200.20 km) |
