| Onalaska to Cold Springs (Nevada) | 1,502.19 mi (2,417.54 km) |
| Onalaska to Coldwater (Michigan) | 341.49 mi (549.57 km) |
| Onalaska to Colesville (Maryland) | 805.72 mi (1,296.68 km) |
| Onalaska to College (Alaska) | 2,573.39 mi (4,141.47 km) |
| Onalaska to College Park (Georgia) | 795.39 mi (1,280.06 km) |
| Onalaska to College Park (Maryland) | 811.46 mi (1,305.92 km) |
| Onalaska to College Station (Texas) | 960.32 mi (1,545.48 km) |
| Onalaska to Collegedale (Tennessee) | 692.75 mi (1,114.88 km) |
| Onalaska to Colleyville (Texas) | 824.55 mi (1,326.99 km) |
| Onalaska to Collierville (Tennessee) | 616.12 mi (991.55 km) |
| Onalaska to Collinsville (Illinois) | 365.42 mi (588.08 km) |
| Onalaska to Colonia (New Jersey) | 891.82 mi (1,435.24 km) |
| Onalaska to Colonial Heights (Virginia) | 855.43 mi (1,376.67 km) |
| Onalaska to Colonial Park (Pennsylvania) | 777.65 mi (1,251.50 km) |
| Onalaska to Colorado Springs (Colorado) | 782.32 mi (1,259.01 km) |
