| Llanelli to Felida (Washington) | 4,782.61 mi (7,696.87 km) |
| Llanelli to Fenton (Michigan) | 3,593.23 mi (5,782.74 km) |
| Llanelli to Fergus Falls (Minnesota) | 3,899.66 mi (6,275.90 km) |
| Llanelli to Ferguson (Missouri) | 4,036.33 mi (6,495.85 km) |
| Llanelli to Fernandina Beach (Florida) | 4,065.45 mi (6,542.71 km) |
| Llanelli to Ferndale (Maryland) | 3,466.48 mi (5,578.77 km) |
| Llanelli to Ferndale (Michigan) | 3,585.20 mi (5,769.81 km) |
| Llanelli to Ferndale (Washington) | 4,603.88 mi (7,409.24 km) |
| Llanelli to Fernley (Nevada) | 5,022.47 mi (8,082.89 km) |
| Llanelli to Ferry Pass (Florida) | 4,311.41 mi (6,938.54 km) |
| Llanelli to Festus (Missouri) | 4,066.05 mi (6,543.68 km) |
| Llanelli to Fife (Washington) | 4,687.58 mi (7,543.94 km) |
| Llanelli to Fillmore (California) | 5,303.52 mi (8,535.19 km) |
| Llanelli to Findlay (Ohio) | 3,667.75 mi (5,902.68 km) |
| Llanelli to Finneytown (Ohio) | 3,785.64 mi (6,092.40 km) |
