| Mountain Ash to Wichita (Kansas) | 4,389.42 mi (7,064.09 km) |
| Mountain Ash to Wichita Falls (Texas) | 4,626.01 mi (7,444.85 km) |
| Mountain Ash to Wickliffe (Ohio) | 3,587.87 mi (5,774.12 km) |
| Mountain Ash to Wildomar (California) | 5,318.53 mi (8,559.34 km) |
| Mountain Ash to Wildwood (Florida) | 4,214.59 mi (6,782.73 km) |
| Mountain Ash to Wildwood (Missouri) | 4,089.70 mi (6,581.73 km) |
| Mountain Ash to Wilkes-Barre (Pennsylvania) | 3,378.09 mi (5,436.51 km) |
| Mountain Ash to Wilkinsburg (Pennsylvania) | 3,575.23 mi (5,753.78 km) |
| Mountain Ash to Williamsburg (Virginia) | 3,587.81 mi (5,774.02 km) |
| Mountain Ash to Williamsport (Pennsylvania) | 3,425.63 mi (5,513.01 km) |
| Mountain Ash to Williamstown (New Jersey) | 3,408.68 mi (5,485.74 km) |
| Mountain Ash to Willimantic (Connecticut) | 3,208.10 mi (5,162.94 km) |
| Mountain Ash to Williston (North Dakota) | 4,094.69 mi (6,589.77 km) |
| Mountain Ash to Willmar (Minnesota) | 3,945.36 mi (6,349.45 km) |
| Mountain Ash to Willoughby (Ohio) | 3,583.75 mi (5,767.50 km) |
