| Allouez to Clarkston (Georgia) | 763.75 mi (1,229.14 km) |
| Allouez to Clarksville (Indiana) | 440.71 mi (709.25 km) |
| Allouez to Clarksville (Tennessee) | 547.21 mi (880.66 km) |
| Allouez to Clawson (Michigan) | 278.47 mi (448.15 km) |
| Allouez to Clay (Alabama) | 748.45 mi (1,204.52 km) |
| Allouez to Clayton (California) | 1,805.19 mi (2,905.17 km) |
| Allouez to Clayton (Missouri) | 419.86 mi (675.70 km) |
| Allouez to Clayton (North Carolina) | 790.80 mi (1,272.67 km) |
| Allouez to Clayton (Ohio) | 370.03 mi (595.50 km) |
| Allouez to Clearfield (Utah) | 1,234.22 mi (1,986.29 km) |
| Allouez to Clearlake (California) | 1,810.81 mi (2,914.21 km) |
| Allouez to Clearwater (Florida) | 1,176.05 mi (1,892.67 km) |
| Allouez to Cleburne (Texas) | 977.79 mi (1,573.60 km) |
| Allouez to Clemmons (North Carolina) | 708.06 mi (1,139.52 km) |
| Allouez to Clemson (South Carolina) | 730.68 mi (1,175.91 km) |
