| Isabela to Friendly (Maryland) | 1,521.79 mi (2,449.08 km) |
| Isabela to Friendswood (Texas) | 1,927.49 mi (3,102.00 km) |
| Isabela to Frisco (Texas) | 2,100.73 mi (3,380.79 km) |
| Isabela to Front Royal (Virginia) | 1,561.99 mi (2,513.79 km) |
| Isabela to Fruit Cove (Florida) | 1,217.17 mi (1,958.85 km) |
| Isabela to Fruita (Colorado) | 2,865.14 mi (4,611.00 km) |
| Isabela to Fruitville (Florida) | 1,155.06 mi (1,858.88 km) |
| Isabela to Fuller Heights (Florida) | 1,150.79 mi (1,852.02 km) |
| Isabela to Fullerton (California) | 3,293.98 mi (5,301.14 km) |
| Isabela to Fullerton (Pennsylvania) | 1,609.48 mi (2,590.21 km) |
| Isabela to Fulshear (Texas) | 1,970.37 mi (3,171.00 km) |
| Isabela to Fulton (Missouri) | 2,051.17 mi (3,301.04 km) |
| Isabela to Fulton (New York) | 1,800.06 mi (2,896.92 km) |
| Isabela to Fuquay-Varina (North Carolina) | 1,382.50 mi (2,224.92 km) |
| Isabela to Gadsden (Alabama) | 1,586.30 mi (2,552.91 km) |
