| SeaTac to Kidbrooke | 4,799.20 mi (7,723.56 km) |
| SeaTac to Kidderminster | 4,688.80 mi (7,545.89 km) |
| SeaTac to Kidlington | 4,744.73 mi (7,635.90 km) |
| SeaTac to Kidsgrove | 4,651.45 mi (7,485.79 km) |
| SeaTac to Killamarsh | 4,663.41 mi (7,505.03 km) |
| SeaTac to Killingworth | 4,565.51 mi (7,347.48 km) |
| SeaTac to Kilmarnock | 4,460.04 mi (7,177.74 km) |
| SeaTac to Kilsyth | 4,452.12 mi (7,164.99 km) |
| SeaTac to Kilwinning | 4,452.40 mi (7,165.45 km) |
| SeaTac to King's Lynn | 4,738.13 mi (7,625.29 km) |
| SeaTac to Kings Norton | 4,696.35 mi (7,558.05 km) |
| SeaTac to Kingsnorth | 4,839.97 mi (7,789.18 km) |
| SeaTac to Kingsteignton | 4,750.45 mi (7,645.12 km) |
| SeaTac to Kingston upon Hull | 4,665.63 mi (7,508.60 km) |
| SeaTac to Kingston upon Thames | 4,793.42 mi (7,714.27 km) |
