| Keystone to Krosno Odrzanskie | 5,016.26 mi (8,072.90 km) |
| Keystone to Krotoszyn | 5,116.87 mi (8,234.81 km) |
| Keystone to Kruszwica | 5,121.40 mi (8,242.10 km) |
| Keystone to Krynica | 5,325.77 mi (8,570.99 km) |
| Keystone to Krzeszowice | 5,250.32 mi (8,449.58 km) |
| Keystone to Kudowa-Zdroj | 5,106.54 mi (8,218.18 km) |
| Keystone to Kutno | 5,174.14 mi (8,326.98 km) |
| Keystone to Kwidzyn | 5,111.86 mi (8,226.74 km) |
| Keystone to Lancut | 5,354.00 mi (8,616.43 km) |
| Keystone to Lapy | 5,280.39 mi (8,497.97 km) |
| Keystone to Lask | 5,185.19 mi (8,344.76 km) |
| Keystone to Laziska Gorne | 5,218.91 mi (8,399.03 km) |
| Keystone to Lebork | 5,044.54 mi (8,118.40 km) |
| Keystone to Leczna | 5,337.16 mi (8,589.32 km) |
| Keystone to Leczyca | 5,173.50 mi (8,325.95 km) |
