| Most to Carson (California) | 5,913.59 mi (9,517.00 km) |
| Most to Carson City (Nevada) | 5,628.73 mi (9,058.57 km) |
| Most to Carteret (New Jersey) | 4,053.48 mi (6,523.44 km) |
| Most to Cartersville (Georgia) | 4,776.97 mi (7,687.79 km) |
| Most to Carthage (Missouri) | 4,971.89 mi (8,001.48 km) |
| Most to Cary (Illinois) | 4,496.21 mi (7,235.95 km) |
| Most to Cary (North Carolina) | 4,462.80 mi (7,182.19 km) |
| Most to Casa de Oro-Mount Helix (California) | 5,943.03 mi (9,564.39 km) |
| Most to Casa Grande (Arizona) | 5,782.44 mi (9,305.94 km) |
| Most to Casas Adobes (Arizona) | 5,792.77 mi (9,322.56 km) |
| Most to Cascades (Virginia) | 4,248.70 mi (6,837.63 km) |
| Most to Casper (Wyoming) | 5,046.05 mi (8,120.83 km) |
| Most to Casselberry (Florida) | 4,921.03 mi (7,919.63 km) |
| Most to Castaic (California) | 5,884.55 mi (9,470.26 km) |
| Most to Castle Pines (Colorado) | 5,193.20 mi (8,357.65 km) |
