| Sun Prairie to Cordele (Georgia) | 830.93 mi (1,337.26 km) |
| Sun Prairie to Corinth (Mississippi) | 570.30 mi (917.81 km) |
| Sun Prairie to Corinth (Texas) | 812.85 mi (1,308.16 km) |
| Sun Prairie to Cornelius (North Carolina) | 694.36 mi (1,117.46 km) |
| Sun Prairie to Cornelius (Oregon) | 1,666.04 mi (2,681.23 km) |
| Sun Prairie to Corning (New York) | 622.39 mi (1,001.64 km) |
| Sun Prairie to Corona (California) | 1,651.06 mi (2,657.12 km) |
| Sun Prairie to Coronado (California) | 1,675.85 mi (2,697.02 km) |
| Sun Prairie to Corpus Christi (Texas) | 1,160.67 mi (1,867.92 km) |
| Sun Prairie to Corsicana (Texas) | 862.14 mi (1,387.47 km) |
| Sun Prairie to Cortland (New York) | 661.55 mi (1,064.66 km) |
| Sun Prairie to Corvallis (Oregon) | 1,685.85 mi (2,713.11 km) |
| Sun Prairie to Coshocton (Ohio) | 430.92 mi (693.51 km) |
| Sun Prairie to Costa Mesa (California) | 1,675.16 mi (2,695.92 km) |
| Sun Prairie to Coto de Caza (California) | 1,661.70 mi (2,674.25 km) |
