| SeaTac to Karis | 4,765.71 mi (7,669.67 km) |
| SeaTac to Karkkila | 4,744.12 mi (7,634.92 km) |
| SeaTac to Kauhajoki | 4,596.90 mi (7,397.99 km) |
| SeaTac to Kauhava | 4,567.01 mi (7,349.89 km) |
| SeaTac to Kauniainen | 4,771.20 mi (7,678.50 km) |
| SeaTac to Kemi | 4,419.95 mi (7,113.22 km) |
| SeaTac to Kemijarvi | 4,389.42 mi (7,064.09 km) |
| SeaTac to Kempele | 4,483.01 mi (7,214.71 km) |
| SeaTac to Kerava | 4,764.47 mi (7,667.68 km) |
| SeaTac to Keuruu | 4,641.39 mi (7,469.59 km) |
| SeaTac to Kiiminki | 4,472.09 mi (7,197.14 km) |
| SeaTac to Kirkkonummi | 4,773.24 mi (7,681.79 km) |
| SeaTac to Kitee | 4,716.00 mi (7,589.67 km) |
| SeaTac to Kiuruvesi | 4,576.29 mi (7,364.83 km) |
| SeaTac to Kivisto | 4,765.92 mi (7,670.01 km) |
