| Mountain Ash to Friendswood (Texas) | 4,720.77 mi (7,597.35 km) |
| Mountain Ash to Frisco (Texas) | 4,598.23 mi (7,400.14 km) |
| Mountain Ash to Front Royal (Virginia) | 3,574.07 mi (5,751.91 km) |
| Mountain Ash to Fruit Cove (Florida) | 4,132.84 mi (6,651.17 km) |
| Mountain Ash to Fruita (Colorado) | 4,726.05 mi (7,605.84 km) |
| Mountain Ash to Fruitville (Florida) | 4,305.75 mi (6,929.43 km) |
| Mountain Ash to Fuller Heights (Florida) | 4,256.65 mi (6,850.41 km) |
| Mountain Ash to Fullerton (California) | 5,325.84 mi (8,571.11 km) |
| Mountain Ash to Fullerton (Pennsylvania) | 3,388.51 mi (5,453.28 km) |
| Mountain Ash to Fulshear (Texas) | 4,738.70 mi (7,626.20 km) |
| Mountain Ash to Fulton (Missouri) | 4,126.19 mi (6,640.46 km) |
| Mountain Ash to Fulton (New York) | 3,312.60 mi (5,331.12 km) |
| Mountain Ash to Fuquay-Varina (North Carolina) | 3,750.67 mi (6,036.11 km) |
| Mountain Ash to Gadsden (Alabama) | 4,124.08 mi (6,637.06 km) |
| Mountain Ash to Gaffney (South Carolina) | 3,894.17 mi (6,267.06 km) |
