| Most to Carlsbad (New Mexico) | 5,572.62 mi (8,968.27 km) |
| Most to Carmel (Indiana) | 4,533.75 mi (7,296.36 km) |
| Most to Carmichael (California) | 5,699.69 mi (9,172.76 km) |
| Most to Carney (Maryland) | 4,198.09 mi (6,756.17 km) |
| Most to Carnot-Moon (Pennsylvania) | 4,286.61 mi (6,898.64 km) |
| Most to Carol Stream (Illinois) | 4,506.85 mi (7,253.07 km) |
| Most to Carolina (Puerto Rico) | 4,792.62 mi (7,712.98 km) |
| Most to Carolina Forest (South Carolina) | 4,566.13 mi (7,348.48 km) |
| Most to Carpentersville (Illinois) | 4,502.15 mi (7,245.52 km) |
| Most to Carpinteria (California) | 5,913.29 mi (9,516.52 km) |
| Most to Carrboro (North Carolina) | 4,466.30 mi (7,187.81 km) |
| Most to Carroll (Iowa) | 4,729.85 mi (7,611.96 km) |
| Most to Carrollton (Georgia) | 4,817.69 mi (7,753.33 km) |
| Most to Carrollton (Texas) | 5,287.45 mi (8,509.33 km) |
| Most to Carrollwood (Florida) | 5,000.52 mi (8,047.56 km) |
