| Mountain Ash to Firestone (Colorado) | 4,542.06 mi (7,309.74 km) |
| Mountain Ash to Fish Hawk (Florida) | 4,269.45 mi (6,871.01 km) |
| Mountain Ash to Fishers (Indiana) | 3,840.45 mi (6,180.61 km) |
| Mountain Ash to Fitchburg (Massachusetts) | 3,155.77 mi (5,078.72 km) |
| Mountain Ash to Fitchburg (Wisconsin) | 3,835.61 mi (6,172.82 km) |
| Mountain Ash to Five Corners (Washington) | 4,802.31 mi (7,728.57 km) |
| Mountain Ash to Five Forks (South Carolina) | 3,930.42 mi (6,325.39 km) |
| Mountain Ash to Flagstaff (Arizona) | 5,039.13 mi (8,109.70 km) |
| Mountain Ash to Flat Rock (Michigan) | 3,637.53 mi (5,854.03 km) |
| Mountain Ash to Fleming Island (Florida) | 4,136.75 mi (6,657.45 km) |
| Mountain Ash to Flint (Michigan) | 3,613.27 mi (5,814.99 km) |
| Mountain Ash to Floral Park (New York) | 3,311.44 mi (5,329.24 km) |
| Mountain Ash to Florence (Alabama) | 4,151.18 mi (6,680.68 km) |
| Mountain Ash to Florence (Arizona) | 5,148.24 mi (8,285.30 km) |
| Mountain Ash to Florence (Kentucky) | 3,832.76 mi (6,168.24 km) |
