| Allouez to Crest Hill (Illinois) | 200.40 mi (322.52 km) |
| Allouez to Crestview (Florida) | 951.52 mi (1,531.33 km) |
| Allouez to Crestwood (Illinois) | 195.84 mi (315.17 km) |
| Allouez to Crestwood (Missouri) | 426.38 mi (686.20 km) |
| Allouez to Creve Coeur (Missouri) | 420.38 mi (676.54 km) |
| Allouez to Crofton (Maryland) | 694.95 mi (1,118.41 km) |
| Allouez to Crossville (Tennessee) | 609.38 mi (980.70 km) |
| Allouez to Crowley (Louisiana) | 1,013.05 mi (1,630.35 km) |
| Allouez to Crowley (Texas) | 962.79 mi (1,549.45 km) |
| Allouez to Crown Point (Indiana) | 214.05 mi (344.49 km) |
| Allouez to Crystal (Minnesota) | 264.56 mi (425.77 km) |
| Allouez to Crystal Lake (Illinois) | 155.46 mi (250.19 km) |
| Allouez to Cudahy (California) | 1,756.96 mi (2,827.55 km) |
| Allouez to Cudahy (Wisconsin) | 105.70 mi (170.11 km) |
| Allouez to Cullman (Alabama) | 714.08 mi (1,149.20 km) |
