| Sliven to Columbia (Illinois) | 5,564.79 mi (8,955.67 km) |
| Sliven to Columbia (Maryland) | 5,018.52 mi (8,076.53 km) |
| Sliven to Columbia (Missouri) | 5,614.50 mi (9,035.66 km) |
| Sliven to Columbia (Pennsylvania) | 4,965.93 mi (7,991.89 km) |
| Sliven to Columbia (South Carolina) | 5,425.46 mi (8,731.43 km) |
| Sliven to Columbia (Tennessee) | 5,591.33 mi (8,998.37 km) |
| Sliven to Columbia Heights (Minnesota) | 5,326.47 mi (8,572.13 km) |
| Sliven to Columbine (Colorado) | 5,991.17 mi (9,641.86 km) |
| Sliven to Columbus (Georgia) | 5,662.04 mi (9,112.17 km) |
| Sliven to Columbus (Indiana) | 5,369.18 mi (8,640.86 km) |
| Sliven to Columbus (Mississippi) | 5,751.26 mi (9,255.76 km) |
| Sliven to Columbus (Nebraska) | 5,650.50 mi (9,093.60 km) |
| Sliven to Columbus (Ohio) | 5,220.90 mi (8,402.22 km) |
| Sliven to Commack (New York) | 4,800.87 mi (7,726.25 km) |
| Sliven to Commerce (California) | 6,682.70 mi (10,754.76 km) |
