| SeaTac to Kluczbork | 5,243.74 mi (8,438.98 km) |
| SeaTac to Knurow | 5,300.30 mi (8,530.02 km) |
| SeaTac to Kobylka | 5,214.45 mi (8,391.85 km) |
| SeaTac to Kokoszki | 5,040.32 mi (8,111.61 km) |
| SeaTac to Kolbuszowa | 5,355.74 mi (8,619.23 km) |
| SeaTac to Kolno | 5,159.29 mi (8,303.07 km) |
| SeaTac to Kolo | 5,176.26 mi (8,330.39 km) |
| SeaTac to Kolobrzeg | 4,996.91 mi (8,041.74 km) |
| SeaTac to Koluszki | 5,225.86 mi (8,410.21 km) |
| SeaTac to Komorniki | 5,135.24 mi (8,264.37 km) |
| SeaTac to Konin | 5,168.34 mi (8,317.65 km) |
| SeaTac to Konskie | 5,271.54 mi (8,483.73 km) |
| SeaTac to Konstancin-Jeziorna | 5,228.69 mi (8,414.77 km) |
| SeaTac to Konstantynow Lodzki | 5,217.25 mi (8,396.36 km) |
| SeaTac to Koronowo | 5,094.15 mi (8,198.24 km) |
