| Harrison to Castle Pines (Colorado) | 1,637.72 mi (2,635.66 km) |
| Harrison to Castle Rock (Colorado) | 1,638.28 mi (2,636.55 km) |
| Harrison to Castro Valley (California) | 2,559.45 mi (4,119.04 km) |
| Harrison to Catalina Foothills (Arizona) | 2,128.26 mi (3,425.10 km) |
| Harrison to Cataño (Puerto Rico) | 1,623.72 mi (2,613.13 km) |
| Harrison to Cathedral City (California) | 2,372.77 mi (3,818.60 km) |
| Harrison to Catonsville (Maryland) | 200.64 mi (322.90 km) |
| Harrison to Cave Spring (Virginia) | 426.96 mi (687.12 km) |
| Harrison to Cayce (South Carolina) | 632.23 mi (1,017.48 km) |
| Harrison to Cayey (Puerto Rico) | 1,645.00 mi (2,647.38 km) |
| Harrison to Cedar City (Utah) | 2,098.47 mi (3,377.16 km) |
| Harrison to Cedar Falls (Iowa) | 968.90 mi (1,559.29 km) |
| Harrison to Cedar Hill (Texas) | 1,406.09 mi (2,262.88 km) |
| Harrison to Cedar Lake (Indiana) | 712.93 mi (1,147.35 km) |
| Harrison to Cedar Mill (Oregon) | 2,449.67 mi (3,942.37 km) |
