| Allouez to Carson (California) | 1,765.24 mi (2,840.87 km) |
| Allouez to Carson City (Nevada) | 1,663.32 mi (2,676.86 km) |
| Allouez to Carteret (New Jersey) | 750.96 mi (1,208.55 km) |
| Allouez to Cartersville (Georgia) | 732.59 mi (1,178.99 km) |
| Allouez to Carthage (Missouri) | 603.18 mi (970.72 km) |
| Allouez to Cary (Illinois) | 156.50 mi (251.86 km) |
| Allouez to Cary (North Carolina) | 771.65 mi (1,241.85 km) |
| Allouez to Casa de Oro-Mount Helix (California) | 1,746.53 mi (2,810.77 km) |
| Allouez to Casa Grande (Arizona) | 1,500.56 mi (2,414.92 km) |
| Allouez to Casas Adobes (Arizona) | 1,492.08 mi (2,401.28 km) |
| Allouez to Cascades (Virginia) | 663.35 mi (1,067.56 km) |
| Allouez to Casper (Wyoming) | 919.47 mi (1,479.75 km) |
| Allouez to Casselberry (Florida) | 1,152.92 mi (1,855.45 km) |
| Allouez to Castaic (California) | 1,759.04 mi (2,830.91 km) |
| Allouez to Castle Pines (Colorado) | 929.84 mi (1,496.43 km) |
