| Onalaska to Cullman (Alabama) | 710.42 mi (1,143.32 km) |
| Onalaska to Culpeper (Virginia) | 780.89 mi (1,256.73 km) |
| Onalaska to Culver City (California) | 1,602.86 mi (2,579.56 km) |
| Onalaska to Cumberland (Maryland) | 704.19 mi (1,133.29 km) |
| Onalaska to Cupertino (California) | 1,669.45 mi (2,686.71 km) |
| Onalaska to Cutler Bay (Florida) | 1,404.83 mi (2,260.85 km) |
| Onalaska to Cutlerville (Michigan) | 287.20 mi (462.20 km) |
| Onalaska to Cuyahoga Falls (Ohio) | 527.54 mi (848.99 km) |
| Onalaska to Cypress (California) | 1,592.95 mi (2,563.61 km) |
| Onalaska to Cypress Gardens (Florida) | 1,217.91 mi (1,960.04 km) |
| Onalaska to Cypress Lake (Florida) | 1,306.70 mi (2,102.93 km) |
| Onalaska to D'Iberville (Mississippi) | 935.60 mi (1,505.70 km) |
| Onalaska to Dakota Ridge (Colorado) | 774.85 mi (1,246.99 km) |
| Onalaska to Dale City (Virginia) | 804.39 mi (1,294.55 km) |
| Onalaska to Dallas (Georgia) | 768.81 mi (1,237.28 km) |
