| Delaware to Frederick (Maryland) | 305.84 mi (492.21 km) |
| Delaware to Fredericksburg (Texas) | 1,125.54 mi (1,811.38 km) |
| Delaware to Fredericksburg (Virginia) | 328.67 mi (528.94 km) |
| Delaware to Frederickson (Washington) | 1,995.91 mi (3,212.11 km) |
| Delaware to Freeport (Illinois) | 367.55 mi (591.51 km) |
| Delaware to Freeport (New York) | 499.18 mi (803.36 km) |
| Delaware to Freeport (Texas) | 1,047.60 mi (1,685.94 km) |
| Delaware to Fremont (California) | 2,083.95 mi (3,353.79 km) |
| Delaware to Fremont (Nebraska) | 704.70 mi (1,134.10 km) |
| Delaware to Fremont (Ohio) | 73.85 mi (118.85 km) |
| Delaware to French Valley (California) | 1,922.58 mi (3,094.09 km) |
| Delaware to Fresno (California) | 1,985.02 mi (3,194.58 km) |
| Delaware to Fresno (Texas) | 1,020.14 mi (1,641.75 km) |
| Delaware to Fridley (Minnesota) | 613.75 mi (987.73 km) |
| Delaware to Friendly (Maryland) | 342.17 mi (550.67 km) |
