| Pierre to Cadillac (Michigan) | 735.88 mi (1,184.29 km) |
| Pierre to Caguas (Puerto Rico) | 2,678.16 mi (4,310.08 km) |
| Pierre to Cahokia (Illinois) | 660.07 mi (1,062.27 km) |
| Pierre to Calabasas (California) | 1,205.37 mi (1,939.86 km) |
| Pierre to Caldwell (Idaho) | 812.14 mi (1,307.02 km) |
| Pierre to Caledonia (Wisconsin) | 631.60 mi (1,016.46 km) |
| Pierre to Calera (Alabama) | 1,064.52 mi (1,713.19 km) |
| Pierre to Calexico (California) | 1,147.48 mi (1,846.69 km) |
| Pierre to Calhoun (Georgia) | 1,064.64 mi (1,713.38 km) |
| Pierre to California (Maryland) | 1,299.89 mi (2,091.97 km) |
| Pierre to California City (California) | 1,125.12 mi (1,810.71 km) |
| Pierre to Callaway (Florida) | 1,271.45 mi (2,046.20 km) |
| Pierre to Calumet City (Illinois) | 672.15 mi (1,081.72 km) |
| Pierre to Calverton (Maryland) | 1,255.15 mi (2,019.97 km) |
| Pierre to Camano (Washington) | 1,085.85 mi (1,747.51 km) |
