| Mountain Ash to Worthington (Ohio) | 3,717.28 mi (5,982.38 km) |
| Mountain Ash to Wright (Florida) | 4,324.98 mi (6,960.38 km) |
| Mountain Ash to Wyandanch (New York) | 3,296.30 mi (5,304.88 km) |
| Mountain Ash to Wyandotte (Michigan) | 3,628.01 mi (5,838.72 km) |
| Mountain Ash to Wylie (Texas) | 4,592.40 mi (7,390.76 km) |
| Mountain Ash to Wyndham (Virginia) | 3,606.08 mi (5,803.43 km) |
| Mountain Ash to Wyoming (Michigan) | 3,697.42 mi (5,950.42 km) |
| Mountain Ash to Wyomissing (Pennsylvania) | 3,421.41 mi (5,506.22 km) |
| Mountain Ash to Xenia (Ohio) | 3,772.76 mi (6,071.67 km) |
| Mountain Ash to Yakima (Washington) | 4,694.89 mi (7,555.69 km) |
| Mountain Ash to Yankton (South Dakota) | 4,135.62 mi (6,655.63 km) |
| Mountain Ash to Yauco (Puerto Rico) | 4,117.55 mi (6,626.55 km) |
| Mountain Ash to Yazoo City (Mississippi) | 4,358.51 mi (7,014.34 km) |
| Mountain Ash to Yeadon (Pennsylvania) | 3,409.30 mi (5,486.73 km) |
| Mountain Ash to Yelm (Washington) | 4,733.29 mi (7,617.50 km) |
