| Smolyan to San Celoni | 1,143.74 mi (1,840.67 km) |
| Smolyan to San Cugat del Valles | 1,166.41 mi (1,877.16 km) |
| Smolyan to San Fausto de Campcentellas | 1,158.17 mi (1,863.89 km) |
| Smolyan to San Feliu de Guixols | 1,115.30 mi (1,794.90 km) |
| Smolyan to San Feliu de Llobregat | 1,169.41 mi (1,881.98 km) |
| Smolyan to San Fernando | 1,686.33 mi (2,713.89 km) |
| Smolyan to San Fernando de Henares | 1,467.85 mi (2,362.27 km) |
| Smolyan to San Fructuoso de Bages | 1,174.80 mi (1,890.65 km) |
| Smolyan to San Javier | 1,377.14 mi (2,216.29 km) |
| Smolyan to San Juan de Alicante | 1,343.72 mi (2,162.50 km) |
| Smolyan to San Juan de Aznalfarache | 1,654.88 mi (2,663.28 km) |
| Smolyan to San Juan de Vilasar | 1,150.34 mi (1,851.30 km) |
| Smolyan to San Juan del Puerto | 1,698.26 mi (2,733.08 km) |
| Smolyan to San Juan Despi | 1,168.90 mi (1,881.16 km) |
| Smolyan to San Lorenzo de Descardazar | 1,128.80 mi (1,816.62 km) |
