| Mountain Ash to Westland (Michigan) | 3,632.08 mi (5,845.26 km) |
| Mountain Ash to Westminster (California) | 5,335.46 mi (8,586.59 km) |
| Mountain Ash to Westminster (Colorado) | 4,560.11 mi (7,338.78 km) |
| Mountain Ash to Westminster (Maryland) | 3,496.80 mi (5,627.55 km) |
| Mountain Ash to Westmont (California) | 5,334.98 mi (8,585.81 km) |
| Mountain Ash to Westmont (Illinois) | 3,834.54 mi (6,171.10 km) |
| Mountain Ash to Westmont (New Jersey) | 3,402.22 mi (5,475.34 km) |
| Mountain Ash to Weston (Florida) | 4,280.62 mi (6,888.98 km) |
| Mountain Ash to Weston (Wisconsin) | 3,754.10 mi (6,041.63 km) |
| Mountain Ash to Westphalia (Maryland) | 3,522.49 mi (5,668.90 km) |
| Mountain Ash to Westview (Florida) | 4,284.64 mi (6,895.46 km) |
| Mountain Ash to Westwood (New Jersey) | 3,313.63 mi (5,332.77 km) |
| Mountain Ash to Westwood Lakes (Florida) | 4,298.19 mi (6,917.26 km) |
| Mountain Ash to Wheat Ridge (Colorado) | 4,567.26 mi (7,350.29 km) |
| Mountain Ash to Wheaton (Illinois) | 3,836.92 mi (6,174.92 km) |
