| Poplar Bluff to Kidricevo | 5,098.05 mi (8,204.52 km) |
| Poplar Bluff to Kobarid | 5,018.97 mi (8,077.26 km) |
| Poplar Bluff to Kobilje | 5,109.21 mi (8,222.49 km) |
| Poplar Bluff to Kocevje | 5,093.29 mi (8,196.85 km) |
| Poplar Bluff to Komen | 5,043.01 mi (8,115.95 km) |
| Poplar Bluff to Komenda | 5,057.83 mi (8,139.79 km) |
| Poplar Bluff to Koper | 5,053.06 mi (8,132.11 km) |
| Poplar Bluff to Kostanjevica na Krki | 5,106.84 mi (8,218.66 km) |
| Poplar Bluff to Kostel | 5,100.76 mi (8,208.88 km) |
| Poplar Bluff to Kozje | 5,102.61 mi (8,211.85 km) |
| Poplar Bluff to Kranj | 5,050.11 mi (8,127.36 km) |
| Poplar Bluff to Kranjska Gora | 5,017.50 mi (8,074.89 km) |
| Poplar Bluff to Krizevci | 5,104.55 mi (8,214.98 km) |
| Poplar Bluff to Krsko | 5,104.81 mi (8,215.40 km) |
| Poplar Bluff to Kuzma | 5,091.20 mi (8,193.49 km) |
