| Caernarfon to Devnya | 1,601.60 mi (2,577.53 km) |
| Caernarfon to Dimitrovgrad | 1,572.36 mi (2,530.46 km) |
| Caernarfon to Dobrich | 1,598.16 mi (2,571.99 km) |
| Caernarfon to Dospat | 1,533.79 mi (2,468.40 km) |
| Caernarfon to Dupnitsa | 1,465.25 mi (2,358.09 km) |
| Caernarfon to Elhovo | 1,605.71 mi (2,584.15 km) |
| Caernarfon to Etropole | 1,474.91 mi (2,373.64 km) |
| Caernarfon to Gabrovo | 1,526.45 mi (2,456.58 km) |
| Caernarfon to Gorna Oryahovitsa | 1,529.85 mi (2,462.06 km) |
| Caernarfon to Gotse Delchev | 1,520.70 mi (2,447.33 km) |
| Caernarfon to Harmanli | 1,589.37 mi (2,557.85 km) |
| Caernarfon to Haskovo | 1,576.17 mi (2,536.60 km) |
| Caernarfon to Ihtiman | 1,484.93 mi (2,389.77 km) |
| Caernarfon to Isperih | 1,551.53 mi (2,496.95 km) |
| Caernarfon to Kardzhali | 1,580.85 mi (2,544.13 km) |
