| Castro Daire to Devnya | 1,814.44 mi (2,920.06 km) |
| Castro Daire to Dimitrovgrad | 1,726.62 mi (2,778.72 km) |
| Castro Daire to Dobrich | 1,824.80 mi (2,936.73 km) |
| Castro Daire to Dospat | 1,657.99 mi (2,668.28 km) |
| Castro Daire to Dupnitsa | 1,598.69 mi (2,572.84 km) |
| Castro Daire to Elhovo | 1,774.35 mi (2,855.53 km) |
| Castro Daire to Etropole | 1,638.66 mi (2,637.16 km) |
| Castro Daire to Gabrovo | 1,705.48 mi (2,744.71 km) |
| Castro Daire to Gorna Oryahovitsa | 1,721.75 mi (2,770.89 km) |
| Castro Daire to Gotse Delchev | 1,636.78 mi (2,634.15 km) |
| Castro Daire to Harmanli | 1,743.09 mi (2,805.23 km) |
| Castro Daire to Haskovo | 1,726.17 mi (2,778.00 km) |
| Castro Daire to Ihtiman | 1,632.57 mi (2,627.37 km) |
| Castro Daire to Isperih | 1,773.97 mi (2,854.93 km) |
| Castro Daire to Kardzhali | 1,719.14 mi (2,766.69 km) |
