| Didcot to Frederick (Maryland) | 3,608.85 mi (5,807.89 km) |
| Didcot to Fredericksburg (Texas) | 4,913.17 mi (7,906.98 km) |
| Didcot to Fredericksburg (Virginia) | 3,662.87 mi (5,894.82 km) |
| Didcot to Frederickson (Washington) | 4,779.48 mi (7,691.83 km) |
| Didcot to Freeport (Illinois) | 3,959.01 mi (6,371.41 km) |
| Didcot to Freeport (New York) | 3,398.98 mi (5,470.14 km) |
| Didcot to Freeport (Texas) | 4,843.86 mi (7,795.43 km) |
| Didcot to Fremont (California) | 5,317.46 mi (8,557.62 km) |
| Didcot to Fremont (Nebraska) | 4,253.82 mi (6,845.86 km) |
| Didcot to Fremont (Ohio) | 3,750.84 mi (6,036.39 km) |
| Didcot to French Valley (California) | 5,388.74 mi (8,672.34 km) |
| Didcot to Fresno (California) | 5,293.34 mi (8,518.81 km) |
| Didcot to Fresno (Texas) | 4,817.55 mi (7,753.09 km) |
| Didcot to Fridley (Minnesota) | 3,962.21 mi (6,376.56 km) |
| Didcot to Friendly (Maryland) | 3,620.67 mi (5,826.90 km) |
