| Sedro-Woolley to Cibolo (Texas) | 1,822.27 mi (2,932.66 km) |
| Sedro-Woolley to Cicero (Illinois) | 1,724.83 mi (2,775.85 km) |
| Sedro-Woolley to Cimarron Hills (Colorado) | 1,096.55 mi (1,764.73 km) |
| Sedro-Woolley to Cincinnati (Ohio) | 1,965.62 mi (3,163.36 km) |
| Sedro-Woolley to Cinco Ranch (Texas) | 1,904.44 mi (3,064.89 km) |
| Sedro-Woolley to Circleville (Ohio) | 2,020.77 mi (3,252.11 km) |
| Sedro-Woolley to Citrus (California) | 1,019.39 mi (1,640.55 km) |
| Sedro-Woolley to Citrus Heights (California) | 679.88 mi (1,094.15 km) |
| Sedro-Woolley to Citrus Park (Florida) | 2,531.21 mi (4,073.60 km) |
| Sedro-Woolley to Claiborne (Louisiana) | 1,905.29 mi (3,066.27 km) |
| Sedro-Woolley to Claremont (California) | 1,020.71 mi (1,642.68 km) |
| Sedro-Woolley to Claremont (New Hampshire) | 2,379.95 mi (3,830.15 km) |
| Sedro-Woolley to Claremore (Oklahoma) | 1,585.82 mi (2,552.13 km) |
| Sedro-Woolley to Clarksburg (Maryland) | 2,293.68 mi (3,691.32 km) |
| Sedro-Woolley to Clarksburg (West Virginia) | 2,151.54 mi (3,462.58 km) |
