| Santander to Devnya | 1,567.15 mi (2,522.08 km) |
| Santander to Dimitrovgrad | 1,487.19 mi (2,393.40 km) |
| Santander to Dobrich | 1,575.61 mi (2,535.69 km) |
| Santander to Dospat | 1,422.39 mi (2,289.12 km) |
| Santander to Dupnitsa | 1,360.06 mi (2,188.81 km) |
| Santander to Elhovo | 1,533.41 mi (2,467.79 km) |
| Santander to Etropole | 1,395.79 mi (2,246.31 km) |
| Santander to Gabrovo | 1,461.51 mi (2,352.08 km) |
| Santander to Gorna Oryahovitsa | 1,476.04 mi (2,375.46 km) |
| Santander to Gotse Delchev | 1,402.17 mi (2,256.57 km) |
| Santander to Harmanli | 1,504.09 mi (2,420.59 km) |
| Santander to Haskovo | 1,487.47 mi (2,393.85 km) |
| Santander to Ihtiman | 1,392.27 mi (2,240.65 km) |
| Santander to Isperih | 1,524.56 mi (2,453.54 km) |
| Santander to Kardzhali | 1,482.35 mi (2,385.61 km) |
