| Kirkwood to Castle Pines (Colorado) | 777.25 mi (1,250.87 km) |
| Kirkwood to Castle Rock (Colorado) | 776.37 mi (1,249.45 km) |
| Kirkwood to Castro Valley (California) | 1,711.95 mi (2,755.11 km) |
| Kirkwood to Catalina Foothills (Arizona) | 1,227.47 mi (1,975.43 km) |
| Kirkwood to Cataño (Puerto Rico) | 2,014.72 mi (3,242.38 km) |
| Kirkwood to Cathedral City (California) | 1,483.10 mi (2,386.82 km) |
| Kirkwood to Catonsville (Maryland) | 736.08 mi (1,184.60 km) |
| Kirkwood to Cave Spring (Virginia) | 575.03 mi (925.42 km) |
| Kirkwood to Cayce (South Carolina) | 612.20 mi (985.24 km) |
| Kirkwood to Cayey (Puerto Rico) | 2,030.70 mi (3,268.10 km) |
| Kirkwood to Cedar City (Utah) | 1,230.80 mi (1,980.78 km) |
| Kirkwood to Cedar Falls (Iowa) | 292.43 mi (470.62 km) |
| Kirkwood to Cedar Hill (Texas) | 553.52 mi (890.80 km) |
| Kirkwood to Cedar Lake (Indiana) | 249.17 mi (401.00 km) |
| Kirkwood to Cedar Mill (Oregon) | 1,716.19 mi (2,761.93 km) |
