| Smolyan to San Lorenzo de El Escorial | 1,496.56 mi (2,408.48 km) |
| Smolyan to San Martin de la Vega | 1,473.02 mi (2,370.60 km) |
| Smolyan to San Martin de Valdeiglesias | 1,513.23 mi (2,435.31 km) |
| Smolyan to San Pedro de Ribas | 1,184.57 mi (1,906.39 km) |
| Smolyan to San Roque | 1,650.85 mi (2,656.78 km) |
| Smolyan to San Sebastian de la Gomera | 2,518.45 mi (4,053.05 km) |
| Smolyan to San Sebastian de los Reyes | 1,470.71 mi (2,366.88 km) |
| Smolyan to San Vicente de Baracaldo | 1,410.45 mi (2,269.90 km) |
| Smolyan to San Vicente de Castellet | 1,175.98 mi (1,892.55 km) |
| Smolyan to San Vicente del Raspeig | 1,348.40 mi (2,170.04 km) |
| Smolyan to San Vicente dels Horts | 1,171.06 mi (1,884.64 km) |
| Smolyan to Sangenjo | 1,710.37 mi (2,752.58 km) |
| Smolyan to Sanlucar de Barrameda | 1,686.55 mi (2,714.24 km) |
| Smolyan to Sanlucar la Mayor | 1,663.98 mi (2,677.91 km) |
| Smolyan to Sant Joan de Vilatorrada | 1,178.27 mi (1,896.25 km) |
