| Smolyan to Sonsbeck | 1,106.69 mi (1,781.05 km) |
| Smolyan to Sonthofen | 817.93 mi (1,316.32 km) |
| Smolyan to Spaichingen | 899.14 mi (1,447.03 km) |
| Smolyan to Spelle | 1,097.20 mi (1,765.77 km) |
| Smolyan to Spenge | 1,053.07 mi (1,694.75 km) |
| Smolyan to Speyer | 949.48 mi (1,528.05 km) |
| Smolyan to Spiesen-Elversberg | 1,001.56 mi (1,611.86 km) |
| Smolyan to Spremberg | 844.71 mi (1,359.43 km) |
| Smolyan to Springe | 1,021.39 mi (1,643.76 km) |
| Smolyan to Sprockhovel | 1,065.97 mi (1,715.51 km) |
| Smolyan to Stade | 1,087.45 mi (1,750.08 km) |
| Smolyan to Stadtallendorf | 981.72 mi (1,579.92 km) |
| Smolyan to Stadthagen | 1,037.31 mi (1,669.39 km) |
| Smolyan to Stadtlohn | 1,101.62 mi (1,772.89 km) |
| Smolyan to Stahnsdorf | 919.94 mi (1,480.49 km) |
