| Prospect Heights to Frederick (Colorado) | 896.39 mi (1,442.61 km) |
| Prospect Heights to Frederick (Maryland) | 579.75 mi (933.02 km) |
| Prospect Heights to Fredericksburg (Texas) | 1,018.78 mi (1,639.56 km) |
| Prospect Heights to Fredericksburg (Virginia) | 609.84 mi (981.45 km) |
| Prospect Heights to Frederickson (Washington) | 1,714.19 mi (2,758.72 km) |
| Prospect Heights to Freeport (Illinois) | 88.35 mi (142.19 km) |
| Prospect Heights to Freeport (New York) | 749.38 mi (1,206.02 km) |
| Prospect Heights to Freeport (Texas) | 999.64 mi (1,608.77 km) |
| Prospect Heights to Fremont (California) | 1,822.52 mi (2,933.07 km) |
| Prospect Heights to Fremont (Nebraska) | 443.32 mi (713.46 km) |
| Prospect Heights to Fremont (Ohio) | 253.45 mi (407.89 km) |
| Prospect Heights to French Valley (California) | 1,686.88 mi (2,714.76 km) |
| Prospect Heights to Fresno (California) | 1,729.03 mi (2,782.60 km) |
| Prospect Heights to Fresno (Texas) | 964.75 mi (1,552.61 km) |
| Prospect Heights to Fridley (Minnesota) | 336.94 mi (542.25 km) |
