| Sun Prairie to Ukiah (California) | 1,776.57 mi (2,859.11 km) |
| Sun Prairie to Union (Missouri) | 340.29 mi (547.64 km) |
| Sun Prairie to Union City (California) | 1,755.69 mi (2,825.51 km) |
| Sun Prairie to Union City (Georgia) | 708.87 mi (1,140.82 km) |
| Sun Prairie to Union City (New Jersey) | 797.40 mi (1,283.29 km) |
| Sun Prairie to Union City (Tennessee) | 466.89 mi (751.38 km) |
| Sun Prairie to Union Hill-Novelty Hill (Washington) | 1,607.48 mi (2,586.99 km) |
| Sun Prairie to Union Park (Florida) | 1,103.48 mi (1,775.88 km) |
| Sun Prairie to Uniondale (New York) | 820.31 mi (1,320.15 km) |
| Sun Prairie to Universal City (Texas) | 1,066.90 mi (1,717.02 km) |
| Sun Prairie to University (Florida) | 1,110.41 mi (1,787.03 km) |
| Sun Prairie to University City (Missouri) | 317.27 mi (510.59 km) |
| Sun Prairie to University Heights (Ohio) | 410.06 mi (659.93 km) |
| Sun Prairie to University of California-Santa Barbara (California) | 1,744.79 mi (2,807.97 km) |
| Sun Prairie to University Park (Texas) | 823.07 mi (1,324.60 km) |
