| Kennewick to Commerce (California) | 844.75 mi (1,359.49 km) |
| Kennewick to Commerce City (Colorado) | 843.88 mi (1,358.10 km) |
| Kennewick to Compton (California) | 851.63 mi (1,370.57 km) |
| Kennewick to Comstock Park (Michigan) | 1,649.15 mi (2,654.05 km) |
| Kennewick to Concord (California) | 586.44 mi (943.78 km) |
| Kennewick to Concord (Missouri) | 1,553.87 mi (2,500.71 km) |
| Kennewick to Concord (New Hampshire) | 2,311.55 mi (3,720.08 km) |
| Kennewick to Concord (North Carolina) | 2,124.78 mi (3,419.50 km) |
| Kennewick to Conneaut (Ohio) | 1,919.89 mi (3,089.77 km) |
| Kennewick to Connersville (Indiana) | 1,765.20 mi (2,840.82 km) |
| Kennewick to Conroe (Texas) | 1,677.89 mi (2,700.31 km) |
| Kennewick to Converse (Texas) | 1,610.57 mi (2,591.96 km) |
| Kennewick to Conway (Arkansas) | 1,586.18 mi (2,552.71 km) |
| Kennewick to Conway (Florida) | 2,379.46 mi (3,829.38 km) |
| Kennewick to Conway (South Carolina) | 2,259.53 mi (3,636.37 km) |
