| Sun Prairie to Anoka (Minnesota) | 248.84 mi (400.47 km) |
| Sun Prairie to Ansonia (Connecticut) | 835.03 mi (1,343.86 km) |
| Sun Prairie to Antelope (California) | 1,693.84 mi (2,725.97 km) |
| Sun Prairie to Anthem (Arizona) | 1,388.30 mi (2,234.26 km) |
| Sun Prairie to Antioch (California) | 1,734.49 mi (2,791.39 km) |
| Sun Prairie to Antioch (Illinois) | 76.64 mi (123.35 km) |
| Sun Prairie to Apache Junction (Arizona) | 1,379.11 mi (2,219.46 km) |
| Sun Prairie to Apex (North Carolina) | 754.68 mi (1,214.54 km) |
| Sun Prairie to Apollo Beach (Florida) | 1,131.75 mi (1,821.37 km) |
| Sun Prairie to Apopka (Florida) | 1,088.20 mi (1,751.29 km) |
| Sun Prairie to Apple Valley (California) | 1,609.88 mi (2,590.85 km) |
| Sun Prairie to Apple Valley (Minnesota) | 224.76 mi (361.71 km) |
| Sun Prairie to Appleton (Wisconsin) | 86.70 mi (139.53 km) |
| Sun Prairie to Arbutus (Maryland) | 705.62 mi (1,135.59 km) |
| Sun Prairie to Arcadia (California) | 1,664.57 mi (2,678.86 km) |
