| Knowle to Frederick (Maryland) | 3,572.31 mi (5,749.09 km) |
| Knowle to Fredericksburg (Texas) | 4,871.47 mi (7,839.87 km) |
| Knowle to Fredericksburg (Virginia) | 3,627.15 mi (5,837.33 km) |
| Knowle to Frederickson (Washington) | 4,724.29 mi (7,603.01 km) |
| Knowle to Freeport (Illinois) | 3,915.11 mi (6,300.76 km) |
| Knowle to Freeport (New York) | 3,363.42 mi (5,412.89 km) |
| Knowle to Freeport (Texas) | 4,804.60 mi (7,732.26 km) |
| Knowle to Fremont (California) | 5,264.34 mi (8,472.13 km) |
| Knowle to Fremont (Nebraska) | 4,207.73 mi (6,771.69 km) |
| Knowle to Fremont (Ohio) | 3,710.25 mi (5,971.07 km) |
| Knowle to French Valley (California) | 5,338.14 mi (8,590.90 km) |
| Knowle to Fresno (California) | 5,241.02 mi (8,434.61 km) |
| Knowle to Fresno (Texas) | 4,777.93 mi (7,689.33 km) |
| Knowle to Fridley (Minnesota) | 3,915.44 mi (6,301.29 km) |
| Knowle to Friendly (Maryland) | 3,584.87 mi (5,769.29 km) |
