| Sun Prairie to Wichita (Kansas) | 570.34 mi (917.87 km) |
| Sun Prairie to Wichita Falls (Texas) | 813.06 mi (1,308.50 km) |
| Sun Prairie to Wickliffe (Ohio) | 410.83 mi (661.17 km) |
| Sun Prairie to Wildomar (California) | 1,644.90 mi (2,647.22 km) |
| Sun Prairie to Wildwood (Florida) | 1,073.30 mi (1,727.31 km) |
| Sun Prairie to Wildwood (Missouri) | 326.69 mi (525.75 km) |
| Sun Prairie to Wilkes-Barre (Pennsylvania) | 695.84 mi (1,119.84 km) |
| Sun Prairie to Wilkinsburg (Pennsylvania) | 517.58 mi (832.97 km) |
| Sun Prairie to Williamsburg (Virginia) | 775.75 mi (1,248.45 km) |
| Sun Prairie to Williamsport (Pennsylvania) | 637.94 mi (1,026.67 km) |
| Sun Prairie to Williamstown (New Jersey) | 775.86 mi (1,248.63 km) |
| Sun Prairie to Willimantic (Connecticut) | 872.31 mi (1,403.84 km) |
| Sun Prairie to Williston (North Dakota) | 774.54 mi (1,246.50 km) |
| Sun Prairie to Willmar (Minnesota) | 318.04 mi (511.84 km) |
| Sun Prairie to Willoughby (Ohio) | 413.00 mi (664.66 km) |
