| Keystone to Florence (Kentucky) | 759.40 mi (1,222.14 km) |
| Keystone to Florence (South Carolina) | 449.56 mi (723.50 km) |
| Keystone to Florence-Graham (California) | 2,137.11 mi (3,439.35 km) |
| Keystone to Florham Park (New Jersey) | 989.79 mi (1,592.92 km) |
| Keystone to Florida (Puerto Rico) | 1,219.49 mi (1,962.57 km) |
| Keystone to Florida City (Florida) | 227.61 mi (366.30 km) |
| Keystone to Florida Ridge (Florida) | 140.56 mi (226.21 km) |
| Keystone to Florin (California) | 2,332.67 mi (3,754.07 km) |
| Keystone to Florissant (Missouri) | 860.40 mi (1,384.67 km) |
| Keystone to Flower Hill (Maryland) | 823.31 mi (1,324.99 km) |
| Keystone to Flower Mound (Texas) | 926.39 mi (1,490.88 km) |
| Keystone to Flowing Wells (Arizona) | 1,715.41 mi (2,760.69 km) |
| Keystone to Foley (Alabama) | 343.08 mi (552.14 km) |
| Keystone to Folsom (California) | 2,319.98 mi (3,733.65 km) |
| Keystone to Fond du Lac (Wisconsin) | 1,128.17 mi (1,815.61 km) |
