| Sedro-Woolley to Cold Springs (Nevada) | 619.41 mi (996.84 km) |
| Sedro-Woolley to Coldwater (Michigan) | 1,847.93 mi (2,973.95 km) |
| Sedro-Woolley to Colesville (Maryland) | 2,311.25 mi (3,719.60 km) |
| Sedro-Woolley to College (Alaska) | 1,469.15 mi (2,364.38 km) |
| Sedro-Woolley to College Park (Georgia) | 2,189.32 mi (3,523.37 km) |
| Sedro-Woolley to College Park (Maryland) | 2,317.11 mi (3,729.03 km) |
| Sedro-Woolley to College Station (Texas) | 1,839.12 mi (2,959.77 km) |
| Sedro-Woolley to Collegedale (Tennessee) | 2,102.20 mi (3,383.16 km) |
| Sedro-Woolley to Colleyville (Texas) | 1,686.61 mi (2,714.34 km) |
| Sedro-Woolley to Collierville (Tennessee) | 1,896.66 mi (3,052.37 km) |
| Sedro-Woolley to Collinsville (Illinois) | 1,733.61 mi (2,789.98 km) |
| Sedro-Woolley to Colonia (New Jersey) | 2,380.69 mi (3,831.35 km) |
| Sedro-Woolley to Colonial Heights (Virginia) | 2,360.40 mi (3,798.70 km) |
| Sedro-Woolley to Colonial Park (Pennsylvania) | 2,276.97 mi (3,664.44 km) |
| Sedro-Woolley to Colorado Springs (Colorado) | 1,093.79 mi (1,760.29 km) |
