| Allouez to Caguas (Puerto Rico) | 2,213.93 mi (3,562.98 km) |
| Allouez to Cahokia (Illinois) | 423.03 mi (680.80 km) |
| Allouez to Calabasas (California) | 1,773.66 mi (2,854.43 km) |
| Allouez to Caldwell (Idaho) | 1,415.59 mi (2,278.17 km) |
| Allouez to Caledonia (Wisconsin) | 115.87 mi (186.47 km) |
| Allouez to Calera (Alabama) | 786.98 mi (1,266.52 km) |
| Allouez to Calexico (California) | 1,680.88 mi (2,705.11 km) |
| Allouez to Calhoun (Georgia) | 708.86 mi (1,140.80 km) |
| Allouez to California (Maryland) | 733.27 mi (1,180.09 km) |
| Allouez to California City (California) | 1,697.81 mi (2,732.36 km) |
| Allouez to Callaway (Florida) | 999.72 mi (1,608.90 km) |
| Allouez to Calumet City (Illinois) | 198.97 mi (320.21 km) |
| Allouez to Calverton (Maryland) | 681.58 mi (1,096.90 km) |
| Allouez to Camano (Washington) | 1,649.07 mi (2,653.92 km) |
| Allouez to Camarillo (California) | 1,787.92 mi (2,877.38 km) |
