| SeaTac to Candler-McAfee (Georgia) | 2,180.70 mi (3,509.50 km) |
| SeaTac to Caño Martin Peña (Puerto Rico) | 3,723.27 mi (5,992.02 km) |
| SeaTac to Cañon City (Colorado) | 1,060.58 mi (1,706.84 km) |
| SeaTac to Canóvanas (Puerto Rico) | 3,733.16 mi (6,007.94 km) |
| SeaTac to Canton (Georgia) | 2,149.15 mi (3,458.73 km) |
| SeaTac to Canton (Illinois) | 1,658.70 mi (2,669.43 km) |
| SeaTac to Canton (Mississippi) | 1,970.76 mi (3,171.63 km) |
| SeaTac to Canton (Ohio) | 2,056.00 mi (3,308.81 km) |
| SeaTac to Canyon (Texas) | 1,357.36 mi (2,184.47 km) |
| SeaTac to Canyon Lake (California) | 985.96 mi (1,586.75 km) |
| SeaTac to Canyon Lake (Texas) | 1,762.64 mi (2,836.70 km) |
| SeaTac to Cape Coral (Florida) | 2,604.05 mi (4,190.82 km) |
| SeaTac to Cape Girardeau (Missouri) | 1,795.01 mi (2,888.79 km) |
| SeaTac to Carbondale (Illinois) | 1,794.99 mi (2,888.75 km) |
| SeaTac to Carlisle (Pennsylvania) | 2,269.57 mi (3,652.52 km) |
