| Sofia to Friendswood (Texas) | 6,105.14 mi (9,825.28 km) |
| Sofia to Frisco (Texas) | 5,973.35 mi (9,613.17 km) |
| Sofia to Front Royal (Virginia) | 4,962.38 mi (7,986.19 km) |
| Sofia to Fruit Cove (Florida) | 5,517.71 mi (8,879.90 km) |
| Sofia to Fruita (Colorado) | 6,034.53 mi (9,711.64 km) |
| Sofia to Fruitville (Florida) | 5,687.47 mi (9,153.10 km) |
| Sofia to Fuller Heights (Florida) | 5,638.68 mi (9,074.57 km) |
| Sofia to Fullerton (California) | 6,606.09 mi (10,631.48 km) |
| Sofia to Fullerton (Pennsylvania) | 4,776.83 mi (7,687.57 km) |
| Sofia to Fulshear (Texas) | 6,121.91 mi (9,852.26 km) |
| Sofia to Fulton (Missouri) | 5,497.74 mi (8,847.75 km) |
| Sofia to Fulton (New York) | 4,697.86 mi (7,560.47 km) |
| Sofia to Fuquay-Varina (North Carolina) | 5,138.65 mi (8,269.85 km) |
| Sofia to Gadsden (Alabama) | 5,511.99 mi (8,870.70 km) |
| Sofia to Gaffney (South Carolina) | 5,282.66 mi (8,501.62 km) |
