| SeaTac to Crawfordsville (Indiana) | 1,822.00 mi (2,932.22 km) |
| SeaTac to Crest Hill (Illinois) | 1,717.72 mi (2,764.40 km) |
| SeaTac to Crestview (Florida) | 2,207.63 mi (3,552.84 km) |
| SeaTac to Crestwood (Illinois) | 1,732.98 mi (2,788.96 km) |
| SeaTac to Crestwood (Missouri) | 1,711.21 mi (2,753.93 km) |
| SeaTac to Creve Coeur (Missouri) | 1,704.45 mi (2,743.05 km) |
| SeaTac to Crofton (Maryland) | 2,333.44 mi (3,755.32 km) |
| SeaTac to Crossville (Tennessee) | 2,055.84 mi (3,308.55 km) |
| SeaTac to Crowley (Louisiana) | 1,982.26 mi (3,190.13 km) |
| SeaTac to Crowley (Texas) | 1,659.81 mi (2,671.21 km) |
| SeaTac to Crown Point (Indiana) | 1,758.24 mi (2,829.61 km) |
| SeaTac to Crystal (Minnesota) | 1,384.72 mi (2,228.49 km) |
| SeaTac to Crystal Lake (Illinois) | 1,688.24 mi (2,716.97 km) |
| SeaTac to Cudahy (California) | 955.72 mi (1,538.08 km) |
| SeaTac to Cudahy (Wisconsin) | 1,690.75 mi (2,720.99 km) |
