| Llanelli to Fortuna Foothills (Arizona) | 5,247.08 mi (8,444.35 km) |
| Llanelli to Foster City (California) | 5,231.56 mi (8,419.38 km) |
| Llanelli to Fostoria (Ohio) | 3,653.73 mi (5,880.11 km) |
| Llanelli to Fountain (Colorado) | 4,580.28 mi (7,371.24 km) |
| Llanelli to Fountain Hills (Arizona) | 5,101.76 mi (8,210.49 km) |
| Llanelli to Fountain Inn (South Carolina) | 3,902.05 mi (6,279.74 km) |
| Llanelli to Fountain Valley (California) | 5,310.15 mi (8,545.86 km) |
| Llanelli to Fountainebleau (Florida) | 4,261.28 mi (6,857.87 km) |
| Llanelli to Four Corners (Oregon) | 4,834.18 mi (7,779.87 km) |
| Llanelli to Four Corners (Texas) | 4,699.58 mi (7,563.24 km) |
| Llanelli to Four Square Mile (Colorado) | 4,536.54 mi (7,300.85 km) |
| Llanelli to Fox Crossing (Wisconsin) | 3,714.07 mi (5,977.21 km) |
| Llanelli to Fox Lake (Illinois) | 3,783.70 mi (6,089.28 km) |
| Llanelli to Framingham (Massachusetts) | 3,119.48 mi (5,020.31 km) |
| Llanelli to Franconia (Virginia) | 3,506.70 mi (5,643.48 km) |
