| Onalaska to Cadillac (Michigan) | 288.51 mi (464.32 km) |
| Onalaska to Caguas (Puerto Rico) | 2,296.39 mi (3,695.69 km) |
| Onalaska to Cahokia (Illinois) | 371.66 mi (598.12 km) |
| Onalaska to Calabasas (California) | 1,610.94 mi (2,592.56 km) |
| Onalaska to Caldwell (Idaho) | 1,265.03 mi (2,035.86 km) |
| Onalaska to Caledonia (Wisconsin) | 183.53 mi (295.36 km) |
| Onalaska to Calera (Alabama) | 781.48 mi (1,257.68 km) |
| Onalaska to Calexico (California) | 1,519.24 mi (2,444.99 km) |
| Onalaska to Calhoun (Georgia) | 730.39 mi (1,175.46 km) |
| Onalaska to California (Maryland) | 856.30 mi (1,378.09 km) |
| Onalaska to California City (California) | 1,535.14 mi (2,470.57 km) |
| Onalaska to Callaway (Florida) | 999.45 mi (1,608.47 km) |
| Onalaska to Calumet City (Illinois) | 243.13 mi (391.27 km) |
| Onalaska to Calverton (Maryland) | 808.68 mi (1,301.44 km) |
| Onalaska to Camano (Washington) | 1,517.60 mi (2,442.34 km) |
