| Caldas de Reyes to Devnya | 1,818.24 mi (2,926.18 km) |
| Caldas de Reyes to Dimitrovgrad | 1,737.35 mi (2,796.00 km) |
| Caldas de Reyes to Dobrich | 1,826.78 mi (2,939.92 km) |
| Caldas de Reyes to Dospat | 1,671.80 mi (2,690.50 km) |
| Caldas de Reyes to Dupnitsa | 1,610.01 mi (2,591.06 km) |
| Caldas de Reyes to Elhovo | 1,783.83 mi (2,870.80 km) |
| Caldas de Reyes to Etropole | 1,646.42 mi (2,649.65 km) |
| Caldas de Reyes to Gabrovo | 1,712.30 mi (2,755.67 km) |
| Caldas de Reyes to Gorna Oryahovitsa | 1,727.01 mi (2,779.35 km) |
| Caldas de Reyes to Gotse Delchev | 1,651.35 mi (2,657.58 km) |
| Caldas de Reyes to Harmanli | 1,754.19 mi (2,823.09 km) |
| Caldas de Reyes to Haskovo | 1,737.51 mi (2,796.25 km) |
| Caldas de Reyes to Ihtiman | 1,642.53 mi (2,643.39 km) |
| Caldas de Reyes to Isperih | 1,775.73 mi (2,857.77 km) |
| Caldas de Reyes to Kardzhali | 1,732.03 mi (2,787.44 km) |
