| Cwmbran to Devnya | 1,529.74 mi (2,461.88 km) |
| Cwmbran to Dimitrovgrad | 1,493.31 mi (2,403.25 km) |
| Cwmbran to Dobrich | 1,527.94 mi (2,458.98 km) |
| Cwmbran to Dospat | 1,450.98 mi (2,335.13 km) |
| Cwmbran to Dupnitsa | 1,382.39 mi (2,224.74 km) |
| Cwmbran to Elhovo | 1,528.73 mi (2,460.25 km) |
| Cwmbran to Etropole | 1,395.49 mi (2,245.82 km) |
| Cwmbran to Gabrovo | 1,449.53 mi (2,332.79 km) |
| Cwmbran to Gorna Oryahovitsa | 1,454.48 mi (2,340.75 km) |
| Cwmbran to Gotse Delchev | 1,436.86 mi (2,312.40 km) |
| Cwmbran to Harmanli | 1,510.50 mi (2,430.92 km) |
| Cwmbran to Haskovo | 1,496.71 mi (2,408.73 km) |
| Cwmbran to Ihtiman | 1,403.89 mi (2,259.35 km) |
| Cwmbran to Isperih | 1,480.13 mi (2,382.04 km) |
| Cwmbran to Kardzhali | 1,500.19 mi (2,414.32 km) |
