| Sun Prairie to Ashtabula (Ohio) | 438.72 mi (706.06 km) |
| Sun Prairie to Ashwaubenon (Wisconsin) | 106.31 mi (171.09 km) |
| Sun Prairie to Aspen Hill (Maryland) | 691.81 mi (1,113.37 km) |
| Sun Prairie to Astoria (Oregon) | 1,697.23 mi (2,731.42 km) |
| Sun Prairie to Atascadero (California) | 1,751.05 mi (2,818.04 km) |
| Sun Prairie to Atascocita (Texas) | 969.74 mi (1,560.65 km) |
| Sun Prairie to Atchison (Kansas) | 394.99 mi (635.68 km) |
| Sun Prairie to Athens (Alabama) | 593.04 mi (954.40 km) |
| Sun Prairie to Athens (Georgia) | 711.80 mi (1,145.52 km) |
| Sun Prairie to Athens (Ohio) | 456.25 mi (734.27 km) |
| Sun Prairie to Athens (Tennessee) | 588.13 mi (946.51 km) |
| Sun Prairie to Athens (Texas) | 839.20 mi (1,350.56 km) |
| Sun Prairie to Atlanta (Georgia) | 700.68 mi (1,127.63 km) |
| Sun Prairie to Atlantic Beach (Florida) | 986.40 mi (1,587.46 km) |
| Sun Prairie to Atlantic City (New Jersey) | 810.00 mi (1,303.56 km) |
