| Smolyan to Selvazzano Dentro | 697.74 mi (1,122.90 km) |
| Smolyan to Senago | 825.04 mi (1,327.77 km) |
| Smolyan to Senigallia | 601.22 mi (967.57 km) |
| Smolyan to Seravezza | 751.20 mi (1,208.93 km) |
| Smolyan to Seregno | 823.05 mi (1,324.57 km) |
| Smolyan to Seriate | 799.51 mi (1,286.68 km) |
| Smolyan to Sermoneta | 605.23 mi (974.02 km) |
| Smolyan to Serramanna | 841.03 mi (1,353.50 km) |
| Smolyan to Serravalle Pistoiese | 720.68 mi (1,159.83 km) |
| Smolyan to Sessa Aurunca | 558.10 mi (898.18 km) |
| Smolyan to Sesto Calende | 850.97 mi (1,369.51 km) |
| Smolyan to Sesto Fiorentino | 701.95 mi (1,129.68 km) |
| Smolyan to Sesto San Giovanni | 819.51 mi (1,318.87 km) |
| Smolyan to Sestri Levante | 795.08 mi (1,279.56 km) |
| Smolyan to Sestu | 834.56 mi (1,343.10 km) |
