| SeaTac to Islahiye | 6,457.21 mi (10,391.87 km) |
| SeaTac to Isparta | 6,315.92 mi (10,164.49 km) |
| SeaTac to Istanbul | 6,075.92 mi (9,778.25 km) |
| SeaTac to Izmir | 6,212.50 mi (9,998.05 km) |
| SeaTac to Kadinhani | 6,311.63 mi (10,157.59 km) |
| SeaTac to Kadirli | 6,426.88 mi (10,343.06 km) |
| SeaTac to Kagithane | 6,072.31 mi (9,772.43 km) |
| SeaTac to Kahramanmaras | 6,423.75 mi (10,338.03 km) |
| SeaTac to Kahta | 6,431.81 mi (10,351.00 km) |
| SeaTac to Kaman | 6,260.61 mi (10,075.48 km) |
| SeaTac to Kangal | 6,318.63 mi (10,168.86 km) |
| SeaTac to Kapakli | 6,038.08 mi (9,717.35 km) |
| SeaTac to Karaagac | 6,481.07 mi (10,430.27 km) |
| SeaTac to Karaagac | 6,039.96 mi (9,720.37 km) |
| SeaTac to Karabuk | 6,122.28 mi (9,852.86 km) |
