| Sliven to Srem | 781.13 mi (1,257.10 km) |
| Sliven to Sroda Slaska | 742.95 mi (1,195.66 km) |
| Sliven to Sroda Wielkopolska | 782.33 mi (1,259.04 km) |
| Sliven to Stalowa Wola | 581.12 mi (935.22 km) |
| Sliven to Starachowice | 628.94 mi (1,012.18 km) |
| Sliven to Stargard Szczecinski | 899.63 mi (1,447.81 km) |
| Sliven to Starogard Gdanski | 856.79 mi (1,378.87 km) |
| Sliven to Stary Sacz | 547.66 mi (881.38 km) |
| Sliven to Staszow | 596.80 mi (960.45 km) |
| Sliven to Strzegom | 740.36 mi (1,191.49 km) |
| Sliven to Strzelce Krajenskie | 862.52 mi (1,388.09 km) |
| Sliven to Strzelce Opolskie | 660.81 mi (1,063.46 km) |
| Sliven to Strzelin | 710.04 mi (1,142.70 km) |
| Sliven to Strzyzow | 542.59 mi (873.21 km) |
| Sliven to Sucha Beskidzka | 584.05 mi (939.94 km) |
