| Sun Prairie to Carlsbad (California) | 1,664.37 mi (2,678.54 km) |
| Sun Prairie to Carlsbad (New Mexico) | 1,104.05 mi (1,776.79 km) |
| Sun Prairie to Carmel (Indiana) | 273.69 mi (440.47 km) |
| Sun Prairie to Carmichael (California) | 1,694.15 mi (2,726.47 km) |
| Sun Prairie to Carney (Maryland) | 708.76 mi (1,140.65 km) |
| Sun Prairie to Carnot-Moon (Pennsylvania) | 498.98 mi (803.02 km) |
| Sun Prairie to Carol Stream (Illinois) | 103.91 mi (167.23 km) |
| Sun Prairie to Carolina (Puerto Rico) | 2,183.36 mi (3,513.78 km) |
| Sun Prairie to Carolina Forest (South Carolina) | 856.06 mi (1,377.70 km) |
| Sun Prairie to Carpentersville (Illinois) | 87.61 mi (140.99 km) |
| Sun Prairie to Carpinteria (California) | 1,728.33 mi (2,781.47 km) |
| Sun Prairie to Carrboro (North Carolina) | 736.32 mi (1,184.99 km) |
| Sun Prairie to Carroll (Iowa) | 296.22 mi (476.71 km) |
| Sun Prairie to Carrollton (Georgia) | 700.18 mi (1,126.83 km) |
| Sun Prairie to Carrollton (Texas) | 817.52 mi (1,315.67 km) |
