| Mercer Island to Kidricevo | 5,467.23 mi (8,798.66 km) |
| Mercer Island to Kobarid | 5,427.21 mi (8,734.25 km) |
| Mercer Island to Kobilje | 5,463.13 mi (8,792.05 km) |
| Mercer Island to Kocevje | 5,493.08 mi (8,840.26 km) |
| Mercer Island to Komen | 5,457.29 mi (8,782.66 km) |
| Mercer Island to Komenda | 5,451.42 mi (8,773.22 km) |
| Mercer Island to Koper | 5,473.03 mi (8,807.99 km) |
| Mercer Island to Kostanjevica na Krki | 5,493.31 mi (8,840.63 km) |
| Mercer Island to Kostel | 5,502.42 mi (8,855.29 km) |
| Mercer Island to Kozje | 5,482.33 mi (8,822.96 km) |
| Mercer Island to Kranj | 5,445.95 mi (8,764.41 km) |
| Mercer Island to Kranjska Gora | 5,417.49 mi (8,718.61 km) |
| Mercer Island to Krizevci | 5,465.03 mi (8,795.11 km) |
| Mercer Island to Krsko | 5,488.26 mi (8,832.49 km) |
| Mercer Island to Kuzma | 5,447.19 mi (8,766.41 km) |
