| Sliven to Indianola (Iowa) | 5,530.13 mi (8,899.88 km) |
| Sliven to Indio (California) | 6,650.56 mi (10,703.04 km) |
| Sliven to Inglewood (California) | 6,689.91 mi (10,766.36 km) |
| Sliven to Inkster (Michigan) | 5,122.23 mi (8,243.44 km) |
| Sliven to Inver Grove Heights (Minnesota) | 5,332.11 mi (8,581.20 km) |
| Sliven to Inwood (New York) | 4,829.49 mi (7,772.31 km) |
| Sliven to Iona (Florida) | 5,836.98 mi (9,393.71 km) |
| Sliven to Ionia (Michigan) | 5,153.08 mi (8,293.08 km) |
| Sliven to Iowa City (Iowa) | 5,445.89 mi (8,764.31 km) |
| Sliven to Irmo (South Carolina) | 5,434.33 mi (8,745.71 km) |
| Sliven to Irondale (Alabama) | 5,681.21 mi (9,143.03 km) |
| Sliven to Ironton (Ohio) | 5,279.28 mi (8,496.18 km) |
| Sliven to Irvine (California) | 6,693.20 mi (10,771.67 km) |
| Sliven to Irving (Texas) | 6,104.48 mi (9,824.21 km) |
| Sliven to Isabela (Puerto Rico) | 5,524.83 mi (8,891.35 km) |
