| Didcot to Devnya | 1,454.22 mi (2,340.34 km) |
| Didcot to Dimitrovgrad | 1,419.06 mi (2,283.76 km) |
| Didcot to Dobrich | 1,452.21 mi (2,337.11 km) |
| Didcot to Dospat | 1,377.67 mi (2,217.14 km) |
| Didcot to Dupnitsa | 1,309.07 mi (2,106.74 km) |
| Didcot to Elhovo | 1,454.05 mi (2,340.07 km) |
| Didcot to Etropole | 1,321.29 mi (2,126.41 km) |
| Didcot to Gabrovo | 1,374.82 mi (2,212.56 km) |
| Didcot to Gorna Oryahovitsa | 1,379.48 mi (2,220.06 km) |
| Didcot to Gotse Delchev | 1,363.84 mi (2,194.89 km) |
| Didcot to Harmanli | 1,436.22 mi (2,311.37 km) |
| Didcot to Haskovo | 1,422.56 mi (2,289.38 km) |
| Didcot to Ihtiman | 1,330.09 mi (2,140.58 km) |
| Didcot to Isperih | 1,404.54 mi (2,260.39 km) |
| Didcot to Kardzhali | 1,426.32 mi (2,295.44 km) |
