| Backnang to Friendswood (Texas) | 5,311.40 mi (8,547.88 km) |
| Backnang to Frisco (Texas) | 5,183.10 mi (8,341.39 km) |
| Backnang to Front Royal (Virginia) | 4,168.06 mi (6,707.85 km) |
| Backnang to Fruit Cove (Florida) | 4,727.53 mi (7,608.22 km) |
| Backnang to Fruita (Colorado) | 5,276.08 mi (8,491.03 km) |
| Backnang to Fruitville (Florida) | 4,899.69 mi (7,885.29 km) |
| Backnang to Fuller Heights (Florida) | 4,850.67 mi (7,806.40 km) |
| Backnang to Fullerton (California) | 5,863.31 mi (9,436.08 km) |
| Backnang to Fullerton (Pennsylvania) | 3,982.52 mi (6,409.25 km) |
| Backnang to Fulshear (Texas) | 5,328.55 mi (8,575.48 km) |
| Backnang to Fulton (Missouri) | 4,708.81 mi (7,578.10 km) |
| Backnang to Fulton (New York) | 3,903.76 mi (6,282.50 km) |
| Backnang to Fuquay-Varina (North Carolina) | 4,345.62 mi (6,993.60 km) |
| Backnang to Gadsden (Alabama) | 4,717.54 mi (7,592.15 km) |
| Backnang to Gaffney (South Carolina) | 4,488.76 mi (7,223.96 km) |
