| Allouez to Corinth (Mississippi) | 658.60 mi (1,059.92 km) |
| Allouez to Corinth (Texas) | 920.45 mi (1,481.32 km) |
| Allouez to Cornelius (North Carolina) | 727.17 mi (1,170.27 km) |
| Allouez to Cornelius (Oregon) | 1,699.24 mi (2,734.66 km) |
| Allouez to Corning (New York) | 573.93 mi (923.65 km) |
| Allouez to Corona (California) | 1,731.32 mi (2,786.30 km) |
| Allouez to Coronado (California) | 1,759.57 mi (2,831.75 km) |
| Allouez to Corpus Christi (Texas) | 1,267.32 mi (2,039.55 km) |
| Allouez to Corsicana (Texas) | 969.49 mi (1,560.25 km) |
| Allouez to Cortland (New York) | 606.76 mi (976.49 km) |
| Allouez to Corvallis (Oregon) | 1,722.94 mi (2,772.80 km) |
| Allouez to Coshocton (Ohio) | 428.82 mi (690.12 km) |
| Allouez to Costa Mesa (California) | 1,755.45 mi (2,825.13 km) |
| Allouez to Coto de Caza (California) | 1,742.61 mi (2,804.46 km) |
| Allouez to Cottage Grove (Minnesota) | 242.08 mi (389.60 km) |
