| Llantrisant to Devnya | 1,543.38 mi (2,483.83 km) |
| Llantrisant to Dimitrovgrad | 1,506.06 mi (2,423.77 km) |
| Llantrisant to Dobrich | 1,541.77 mi (2,481.23 km) |
| Llantrisant to Dospat | 1,463.20 mi (2,354.79 km) |
| Llantrisant to Dupnitsa | 1,394.62 mi (2,244.42 km) |
| Llantrisant to Elhovo | 1,541.74 mi (2,481.20 km) |
| Llantrisant to Etropole | 1,408.21 mi (2,266.29 km) |
| Llantrisant to Gabrovo | 1,462.57 mi (2,353.78 km) |
| Llantrisant to Gorna Oryahovitsa | 1,467.71 mi (2,362.06 km) |
| Llantrisant to Gotse Delchev | 1,448.92 mi (2,331.81 km) |
| Llantrisant to Harmanli | 1,523.27 mi (2,451.47 km) |
| Llantrisant to Haskovo | 1,509.40 mi (2,429.15 km) |
| Llantrisant to Ihtiman | 1,416.39 mi (2,279.45 km) |
| Llantrisant to Isperih | 1,493.84 mi (2,404.10 km) |
| Llantrisant to Kardzhali | 1,512.71 mi (2,434.46 km) |
