| Allouez to Castle Rock (Colorado) | 931.77 mi (1,499.55 km) |
| Allouez to Castro Valley (California) | 1,818.61 mi (2,926.77 km) |
| Allouez to Catalina Foothills (Arizona) | 1,488.16 mi (2,394.96 km) |
| Allouez to Cataño (Puerto Rico) | 2,198.19 mi (3,537.64 km) |
| Allouez to Cathedral City (California) | 1,680.01 mi (2,703.71 km) |
| Allouez to Catonsville (Maryland) | 682.08 mi (1,097.70 km) |
| Allouez to Cave Spring (Virginia) | 652.27 mi (1,049.73 km) |
| Allouez to Cayce (South Carolina) | 816.98 mi (1,314.81 km) |
| Allouez to Cayey (Puerto Rico) | 2,216.83 mi (3,567.64 km) |
| Allouez to Cedar City (Utah) | 1,380.78 mi (2,222.15 km) |
| Allouez to Cedar Falls (Iowa) | 259.66 mi (417.88 km) |
| Allouez to Cedar Hill (Texas) | 951.61 mi (1,531.47 km) |
| Allouez to Cedar Lake (Indiana) | 216.41 mi (348.27 km) |
| Allouez to Cedar Mill (Oregon) | 1,687.10 mi (2,715.13 km) |
| Allouez to Cedar Park (Texas) | 1,102.09 mi (1,773.65 km) |
