| Pierre to Castle Pines (Colorado) | 412.06 mi (663.14 km) |
| Pierre to Castle Rock (Colorado) | 416.57 mi (670.41 km) |
| Pierre to Castro Valley (California) | 1,218.39 mi (1,960.80 km) |
| Pierre to Catalina Foothills (Arizona) | 1,009.63 mi (1,624.85 km) |
| Pierre to Cataño (Puerto Rico) | 2,662.85 mi (4,285.44 km) |
| Pierre to Cathedral City (California) | 1,127.42 mi (1,814.41 km) |
| Pierre to Catonsville (Maryland) | 1,259.37 mi (2,026.75 km) |
| Pierre to Cave Spring (Virginia) | 1,167.47 mi (1,878.87 km) |
| Pierre to Cayce (South Carolina) | 1,254.18 mi (2,018.41 km) |
| Pierre to Cayey (Puerto Rico) | 2,679.12 mi (4,311.63 km) |
| Pierre to Cedar City (Utah) | 809.13 mi (1,302.16 km) |
| Pierre to Cedar Falls (Iowa) | 414.72 mi (667.43 km) |
| Pierre to Cedar Hill (Texas) | 834.70 mi (1,343.33 km) |
| Pierre to Cedar Lake (Indiana) | 683.67 mi (1,100.26 km) |
| Pierre to Cedar Mill (Oregon) | 1,098.47 mi (1,767.81 km) |
