| Sliven to Frankfort (Illinois) | 5,325.41 mi (8,570.43 km) |
| Sliven to Frankfort (Indiana) | 5,338.24 mi (8,591.07 km) |
| Sliven to Frankfort (Kentucky) | 5,379.73 mi (8,657.84 km) |
| Sliven to Franklin (Indiana) | 5,360.08 mi (8,626.21 km) |
| Sliven to Franklin (Ohio) | 5,291.39 mi (8,515.67 km) |
| Sliven to Franklin (Tennessee) | 5,568.85 mi (8,962.20 km) |
| Sliven to Franklin (Wisconsin) | 5,261.63 mi (8,467.78 km) |
| Sliven to Franklin Farm (Virginia) | 5,053.27 mi (8,132.46 km) |
| Sliven to Franklin Lakes (New Jersey) | 4,830.87 mi (7,774.54 km) |
| Sliven to Franklin Park (Illinois) | 5,304.55 mi (8,536.85 km) |
| Sliven to Franklin Park (New Jersey) | 4,869.33 mi (7,836.44 km) |
| Sliven to Franklin Park (Pennsylvania) | 5,081.80 mi (8,178.37 km) |
| Sliven to Franklin Square (New York) | 4,823.09 mi (7,762.01 km) |
| Sliven to Fraser (Michigan) | 5,097.06 mi (8,202.92 km) |
| Sliven to Frederick (Colorado) | 5,958.27 mi (9,588.91 km) |
