| Sliven to Southern Pines (North Carolina) | 5,308.68 mi (8,543.50 km) |
| Sliven to Southfield (Michigan) | 5,111.47 mi (8,226.11 km) |
| Sliven to Southgate (Michigan) | 5,122.48 mi (8,243.83 km) |
| Sliven to Southlake (Texas) | 6,105.65 mi (9,826.09 km) |
| Sliven to Spanaway (Washington) | 5,945.99 mi (9,569.15 km) |
| Sliven to Spanish Fork (Utah) | 6,142.65 mi (9,885.64 km) |
| Sliven to Spanish Lake (Missouri) | 5,547.50 mi (8,927.85 km) |
| Sliven to Spanish Springs (Nevada) | 6,363.13 mi (10,240.46 km) |
| Sliven to Sparks (Nevada) | 6,369.39 mi (10,250.54 km) |
| Sliven to Spartanburg (South Carolina) | 5,423.20 mi (8,727.80 km) |
| Sliven to Spearfish (South Dakota) | 5,674.41 mi (9,132.09 km) |
| Sliven to Speedway (Indiana) | 5,352.41 mi (8,613.88 km) |
| Sliven to Spencer (Iowa) | 5,487.84 mi (8,831.83 km) |
| Sliven to Spokane (Washington) | 5,814.49 mi (9,357.52 km) |
| Sliven to Spokane Valley (Washington) | 5,810.73 mi (9,351.46 km) |
