| Mountain Ash to Florence (South Carolina) | 3,859.29 mi (6,210.93 km) |
| Mountain Ash to Florence-Graham (California) | 5,331.59 mi (8,580.37 km) |
| Mountain Ash to Florham Park (New Jersey) | 3,337.58 mi (5,371.32 km) |
| Mountain Ash to Florida (Puerto Rico) | 4,087.41 mi (6,578.05 km) |
| Mountain Ash to Florida City (Florida) | 4,316.54 mi (6,946.80 km) |
| Mountain Ash to Florida Ridge (Florida) | 4,205.55 mi (6,768.17 km) |
| Mountain Ash to Florin (California) | 5,176.42 mi (8,330.64 km) |
| Mountain Ash to Florissant (Missouri) | 4,065.85 mi (6,543.35 km) |
| Mountain Ash to Flower Hill (Maryland) | 3,522.23 mi (5,668.49 km) |
| Mountain Ash to Flower Mound (Texas) | 4,615.87 mi (7,428.53 km) |
| Mountain Ash to Flowing Wells (Arizona) | 5,175.48 mi (8,329.13 km) |
| Mountain Ash to Foley (Alabama) | 4,369.48 mi (7,032.00 km) |
| Mountain Ash to Folsom (California) | 5,157.93 mi (8,300.89 km) |
| Mountain Ash to Fond du Lac (Wisconsin) | 3,762.63 mi (6,055.37 km) |
| Mountain Ash to Fontana (California) | 5,298.32 mi (8,526.82 km) |
