| Sliven to Somersworth (New Hampshire) | 4,601.10 mi (7,404.76 km) |
| Sliven to Somerton (Arizona) | 6,679.60 mi (10,749.78 km) |
| Sliven to Somerville (Massachusetts) | 4,646.11 mi (7,477.19 km) |
| Sliven to Somerville (New Jersey) | 4,866.41 mi (7,831.73 km) |
| Sliven to Sonoma (California) | 6,509.25 mi (10,475.62 km) |
| Sliven to Soquel (California) | 6,580.89 mi (10,590.91 km) |
| Sliven to South Bend (Indiana) | 5,259.92 mi (8,465.03 km) |
| Sliven to South Bradenton (Florida) | 5,817.16 mi (9,361.82 km) |
| Sliven to South Burlington (Vermont) | 4,641.92 mi (7,470.46 km) |
| Sliven to South Charleston (West Virginia) | 5,251.02 mi (8,450.71 km) |
| Sliven to South Daytona (Florida) | 5,666.00 mi (9,118.55 km) |
| Sliven to South El Monte (California) | 6,676.84 mi (10,745.33 km) |
| Sliven to South Elgin (Illinois) | 5,317.14 mi (8,557.11 km) |
| Sliven to South Euclid (Ohio) | 5,092.20 mi (8,195.10 km) |
| Sliven to South Farmingdale (New York) | 4,813.02 mi (7,745.81 km) |
