| Sun Prairie to Carrollwood (Florida) | 1,110.14 mi (1,786.61 km) |
| Sun Prairie to Carson (California) | 1,685.83 mi (2,713.09 km) |
| Sun Prairie to Carson City (Nevada) | 1,602.07 mi (2,578.28 km) |
| Sun Prairie to Carteret (New Jersey) | 791.41 mi (1,273.65 km) |
| Sun Prairie to Cartersville (Georgia) | 667.18 mi (1,073.72 km) |
| Sun Prairie to Carthage (Missouri) | 495.58 mi (797.56 km) |
| Sun Prairie to Cary (Illinois) | 83.66 mi (134.64 km) |
| Sun Prairie to Cary (North Carolina) | 753.92 mi (1,213.31 km) |
| Sun Prairie to Casa de Oro-Mount Helix (California) | 1,662.79 mi (2,676.00 km) |
| Sun Prairie to Casa Grande (Arizona) | 1,409.82 mi (2,268.89 km) |
| Sun Prairie to Casas Adobes (Arizona) | 1,399.06 mi (2,251.57 km) |
| Sun Prairie to Cascades (Virginia) | 678.94 mi (1,092.65 km) |
| Sun Prairie to Casper (Wyoming) | 861.96 mi (1,387.20 km) |
| Sun Prairie to Casselberry (Florida) | 1,095.34 mi (1,762.79 km) |
| Sun Prairie to Castaic (California) | 1,681.82 mi (2,706.62 km) |
