| River Forest to Krosno Odrzanskie | 4,484.76 mi (7,217.53 km) |
| River Forest to Krotoszyn | 4,578.44 mi (7,368.29 km) |
| River Forest to Kruszwica | 4,565.49 mi (7,347.44 km) |
| River Forest to Krynica | 4,797.63 mi (7,721.04 km) |
| River Forest to Krzeszowice | 4,720.41 mi (7,596.77 km) |
| River Forest to Kudowa-Zdroj | 4,590.85 mi (7,388.26 km) |
| River Forest to Kutno | 4,618.74 mi (7,433.14 km) |
| River Forest to Kwidzyn | 4,539.38 mi (7,305.43 km) |
| River Forest to Lancut | 4,810.44 mi (7,741.65 km) |
| River Forest to Lapy | 4,697.70 mi (7,560.22 km) |
| River Forest to Lask | 4,639.23 mi (7,466.12 km) |
| River Forest to Laziska Gorne | 4,693.07 mi (7,552.77 km) |
| River Forest to Lebork | 4,467.09 mi (7,189.08 km) |
| River Forest to Leczna | 4,774.87 mi (7,684.41 km) |
| River Forest to Leczyca | 4,621.30 mi (7,437.26 km) |
