| Prospect Heights to Florence (Kentucky) | 275.52 mi (443.41 km) |
| Prospect Heights to Florence (South Carolina) | 703.13 mi (1,131.58 km) |
| Prospect Heights to Florence-Graham (California) | 1,732.24 mi (2,787.78 km) |
| Prospect Heights to Florham Park (New Jersey) | 706.07 mi (1,136.31 km) |
| Prospect Heights to Florida (Puerto Rico) | 2,065.13 mi (3,323.51 km) |
| Prospect Heights to Florida City (Florida) | 1,227.08 mi (1,974.79 km) |
| Prospect Heights to Florida Ridge (Florida) | 1,089.66 mi (1,753.64 km) |
| Prospect Heights to Florin (California) | 1,770.42 mi (2,849.22 km) |
| Prospect Heights to Florissant (Missouri) | 260.83 mi (419.77 km) |
| Prospect Heights to Flower Hill (Maryland) | 598.25 mi (962.79 km) |
| Prospect Heights to Flower Mound (Texas) | 802.62 mi (1,291.69 km) |
| Prospect Heights to Flowing Wells (Arizona) | 1,433.41 mi (2,306.86 km) |
| Prospect Heights to Foley (Alabama) | 808.91 mi (1,301.81 km) |
| Prospect Heights to Folsom (California) | 1,752.95 mi (2,821.10 km) |
| Prospect Heights to Fond du Lac (Wisconsin) | 118.13 mi (190.10 km) |
