| SeaTac to Kidricevo | 5,476.12 mi (8,812.96 km) |
| SeaTac to Kobarid | 5,436.06 mi (8,748.49 km) |
| SeaTac to Kobilje | 5,472.02 mi (8,806.37 km) |
| SeaTac to Kocevje | 5,501.94 mi (8,854.52 km) |
| SeaTac to Komen | 5,466.14 mi (8,796.90 km) |
| SeaTac to Komenda | 5,460.29 mi (8,787.48 km) |
| SeaTac to Koper | 5,481.87 mi (8,822.22 km) |
| SeaTac to Kostanjevica na Krki | 5,502.19 mi (8,854.91 km) |
| SeaTac to Kostel | 5,511.28 mi (8,869.55 km) |
| SeaTac to Kozje | 5,491.21 mi (8,837.25 km) |
| SeaTac to Kranj | 5,454.82 mi (8,778.68 km) |
| SeaTac to Kranjska Gora | 5,426.35 mi (8,732.86 km) |
| SeaTac to Krizevci | 5,473.92 mi (8,809.42 km) |
| SeaTac to Krsko | 5,497.13 mi (8,846.78 km) |
| SeaTac to Kuzma | 5,456.09 mi (8,780.72 km) |
