| Llantrisant to Friendswood (Texas) | 4,724.34 mi (7,603.09 km) |
| Llantrisant to Frisco (Texas) | 4,602.37 mi (7,406.81 km) |
| Llantrisant to Front Royal (Virginia) | 3,577.07 mi (5,756.73 km) |
| Llantrisant to Fruit Cove (Florida) | 4,134.95 mi (6,654.55 km) |
| Llantrisant to Fruita (Colorado) | 4,731.92 mi (7,615.29 km) |
| Llantrisant to Fruitville (Florida) | 4,307.59 mi (6,932.40 km) |
| Llantrisant to Fuller Heights (Florida) | 4,258.51 mi (6,853.41 km) |
| Llantrisant to Fullerton (California) | 5,332.07 mi (8,581.14 km) |
| Llantrisant to Fullerton (Pennsylvania) | 3,391.51 mi (5,458.11 km) |
| Llantrisant to Fulshear (Texas) | 4,742.36 mi (7,632.09 km) |
| Llantrisant to Fulton (Missouri) | 4,130.53 mi (6,647.44 km) |
| Llantrisant to Fulton (New York) | 3,316.14 mi (5,336.81 km) |
| Llantrisant to Fuquay-Varina (North Carolina) | 3,753.22 mi (6,040.23 km) |
| Llantrisant to Gadsden (Alabama) | 4,127.20 mi (6,642.08 km) |
| Llantrisant to Gaffney (South Carolina) | 3,896.97 mi (6,271.56 km) |
