| Sliven to Fortuna Foothills (Arizona) | 6,667.67 mi (10,730.59 km) |
| Sliven to Foster City (California) | 6,552.10 mi (10,544.59 km) |
| Sliven to Fostoria (Ohio) | 5,180.35 mi (8,336.96 km) |
| Sliven to Fountain (Colorado) | 6,031.44 mi (9,706.66 km) |
| Sliven to Fountain Hills (Arizona) | 6,536.48 mi (10,519.45 km) |
| Sliven to Fountain Inn (South Carolina) | 5,446.22 mi (8,764.85 km) |
| Sliven to Fountain Valley (California) | 6,695.55 mi (10,775.45 km) |
| Sliven to Fountainebleau (Florida) | 5,802.89 mi (9,338.84 km) |
| Sliven to Four Corners (Oregon) | 6,094.67 mi (9,808.43 km) |
| Sliven to Four Corners (Texas) | 6,229.55 mi (10,025.49 km) |
| Sliven to Four Square Mile (Colorado) | 5,980.49 mi (9,624.66 km) |
| Sliven to Fox Crossing (Wisconsin) | 5,210.80 mi (8,385.98 km) |
| Sliven to Fox Lake (Illinois) | 5,290.84 mi (8,514.79 km) |
| Sliven to Framingham (Massachusetts) | 4,663.12 mi (7,504.57 km) |
| Sliven to Franconia (Virginia) | 5,050.37 mi (8,127.78 km) |
