| Smolyan to Santeramo in Colle | 415.86 mi (669.27 km) |
| Smolyan to Santo Stefano di Magra | 768.41 mi (1,236.63 km) |
| Smolyan to Santo Stino di Livenza | 664.69 mi (1,069.71 km) |
| Smolyan to Sarezzo | 776.45 mi (1,249.57 km) |
| Smolyan to Sarno | 526.56 mi (847.42 km) |
| Smolyan to Saronno | 830.26 mi (1,336.18 km) |
| Smolyan to Sarzana | 765.72 mi (1,232.31 km) |
| Smolyan to Sassari | 840.54 mi (1,352.72 km) |
| Smolyan to Sasso Marconi | 706.12 mi (1,136.39 km) |
| Smolyan to Sassuolo | 730.63 mi (1,175.84 km) |
| Smolyan to Sava | 380.77 mi (612.78 km) |
| Smolyan to Saviano | 530.68 mi (854.05 km) |
| Smolyan to Savigliano | 884.65 mi (1,423.71 km) |
| Smolyan to Savignano sul Panaro | 717.73 mi (1,155.08 km) |
| Smolyan to Savignano sul Rubicone | 646.40 mi (1,040.29 km) |
