| Sun Prairie to Cloverleaf (Texas) | 981.77 mi (1,580.00 km) |
| Sun Prairie to Cloverly (Maryland) | 695.31 mi (1,118.99 km) |
| Sun Prairie to Clovis (California) | 1,659.96 mi (2,671.45 km) |
| Sun Prairie to Clovis (New Mexico) | 961.94 mi (1,548.10 km) |
| Sun Prairie to Clute (Texas) | 1,036.08 mi (1,667.41 km) |
| Sun Prairie to Coachella (California) | 1,587.89 mi (2,555.46 km) |
| Sun Prairie to Coalinga (California) | 1,712.49 mi (2,755.99 km) |
| Sun Prairie to Coamo (Puerto Rico) | 2,188.68 mi (3,522.33 km) |
| Sun Prairie to Coatesville (Pennsylvania) | 726.75 mi (1,169.60 km) |
| Sun Prairie to Cockeysville (Maryland) | 701.42 mi (1,128.82 km) |
| Sun Prairie to Cocoa (Florida) | 1,125.93 mi (1,812.00 km) |
| Sun Prairie to Cocoa Beach (Florida) | 1,132.35 mi (1,822.34 km) |
| Sun Prairie to Coconut Creek (Florida) | 1,274.02 mi (2,050.34 km) |
| Sun Prairie to Coeur d'Alene (Idaho) | 1,364.13 mi (2,195.35 km) |
| Sun Prairie to Cohoes (New York) | 784.35 mi (1,262.28 km) |
