| Sun Prairie to Jeffersontown (Kentucky) | 393.81 mi (633.77 km) |
| Sun Prairie to Jeffersonville (Indiana) | 382.34 mi (615.32 km) |
| Sun Prairie to Jenison (Michigan) | 173.20 mi (278.73 km) |
| Sun Prairie to Jenks (Oklahoma) | 611.98 mi (984.89 km) |
| Sun Prairie to Jennings (Missouri) | 312.74 mi (503.31 km) |
| Sun Prairie to Jensen Beach (Florida) | 1,210.87 mi (1,948.71 km) |
| Sun Prairie to Jericho (New York) | 821.55 mi (1,322.16 km) |
| Sun Prairie to Jerome (Idaho) | 1,273.99 mi (2,050.29 km) |
| Sun Prairie to Jersey City (New Jersey) | 796.59 mi (1,281.98 km) |
| Sun Prairie to Jessup (Maryland) | 704.52 mi (1,133.81 km) |
| Sun Prairie to Johns Creek (Georgia) | 687.75 mi (1,106.82 km) |
| Sun Prairie to Johnson City (New York) | 677.76 mi (1,090.75 km) |
| Sun Prairie to Johnson City (Tennessee) | 596.24 mi (959.56 km) |
| Sun Prairie to Johnston (Iowa) | 250.90 mi (403.79 km) |
| Sun Prairie to Johnstown (Colorado) | 831.66 mi (1,338.42 km) |
