| Prospect Heights to Friendly (Maryland) | 620.52 mi (998.64 km) |
| Prospect Heights to Friendswood (Texas) | 959.83 mi (1,544.69 km) |
| Prospect Heights to Frisco (Texas) | 785.88 mi (1,264.75 km) |
| Prospect Heights to Front Royal (Virginia) | 556.45 mi (895.52 km) |
| Prospect Heights to Fruit Cove (Florida) | 900.58 mi (1,449.34 km) |
| Prospect Heights to Fruita (Colorado) | 1,106.87 mi (1,781.34 km) |
| Prospect Heights to Fruitville (Florida) | 1,066.11 mi (1,715.74 km) |
| Prospect Heights to Fuller Heights (Florida) | 1,034.97 mi (1,665.63 km) |
| Prospect Heights to Fullerton (California) | 1,718.94 mi (2,766.36 km) |
| Prospect Heights to Fullerton (Pennsylvania) | 652.60 mi (1,050.26 km) |
| Prospect Heights to Fulshear (Texas) | 965.08 mi (1,553.15 km) |
| Prospect Heights to Fulton (Missouri) | 308.34 mi (496.22 km) |
| Prospect Heights to Fulton (New York) | 589.85 mi (949.27 km) |
| Prospect Heights to Fuquay-Varina (North Carolina) | 666.05 mi (1,071.90 km) |
| Prospect Heights to Gadsden (Alabama) | 568.87 mi (915.50 km) |
