| SeaTac to Central Point (Oregon) | 351.44 mi (565.59 km) |
| SeaTac to Centralia (Illinois) | 1,770.42 mi (2,849.22 km) |
| SeaTac to Centralia (Washington) | 59.04 mi (95.02 km) |
| SeaTac to Centreville (Virginia) | 2,304.01 mi (3,707.95 km) |
| SeaTac to Ceres (California) | 683.88 mi (1,100.60 km) |
| SeaTac to Cerritos (California) | 963.51 mi (1,550.62 km) |
| SeaTac to Chalco (Nebraska) | 1,356.32 mi (2,182.79 km) |
| SeaTac to Chalmette (Louisiana) | 2,097.77 mi (3,376.03 km) |
| SeaTac to Chambersburg (Pennsylvania) | 2,257.24 mi (3,632.67 km) |
| SeaTac to Chamblee (Georgia) | 2,172.83 mi (3,496.83 km) |
| SeaTac to Champaign (Illinois) | 1,755.50 mi (2,825.21 km) |
| SeaTac to Champlin (Minnesota) | 1,380.61 mi (2,221.88 km) |
| SeaTac to Chandler (Arizona) | 1,120.13 mi (1,802.68 km) |
| SeaTac to Chanhassen (Minnesota) | 1,379.10 mi (2,219.44 km) |
| SeaTac to Channahon (Illinois) | 1,715.32 mi (2,760.55 km) |
