| Onalaska to Clemson (South Carolina) | 777.54 mi (1,251.33 km) |
| Onalaska to Clermont (Florida) | 1,183.54 mi (1,904.73 km) |
| Onalaska to Cleveland (Mississippi) | 701.37 mi (1,128.75 km) |
| Onalaska to Cleveland (Ohio) | 511.43 mi (823.06 km) |
| Onalaska to Cleveland (Tennessee) | 689.34 mi (1,109.39 km) |
| Onalaska to Cleveland Heights (Ohio) | 516.13 mi (830.63 km) |
| Onalaska to Cliffside Park (New Jersey) | 902.55 mi (1,452.51 km) |
| Onalaska to Clifton (Colorado) | 950.71 mi (1,530.02 km) |
| Onalaska to Clifton (New Jersey) | 893.25 mi (1,437.55 km) |
| Onalaska to Clinton (Iowa) | 149.51 mi (240.62 km) |
| Onalaska to Clinton (Maryland) | 821.16 mi (1,321.54 km) |
| Onalaska to Clinton (Mississippi) | 798.32 mi (1,284.78 km) |
| Onalaska to Clinton (Utah) | 1,076.13 mi (1,731.87 km) |
| Onalaska to Clive (Iowa) | 204.80 mi (329.59 km) |
| Onalaska to Cloquet (Minnesota) | 205.50 mi (330.72 km) |
