| South River to Jozefow | 4,297.32 mi (6,915.86 km) |
| South River to Kalisz | 4,194.33 mi (6,750.12 km) |
| South River to Kamien Pomorski | 4,001.13 mi (6,439.20 km) |
| South River to Kamienna Gora | 4,149.49 mi (6,677.95 km) |
| South River to Karczew | 4,299.71 mi (6,919.71 km) |
| South River to Kartuzy | 4,113.17 mi (6,619.51 km) |
| South River to Katowice | 4,281.06 mi (6,889.70 km) |
| South River to Kedzierzyn-Kozle | 4,247.05 mi (6,834.96 km) |
| South River to Kepno | 4,206.80 mi (6,770.19 km) |
| South River to Ketrzyn | 4,233.87 mi (6,813.76 km) |
| South River to Kety | 4,301.63 mi (6,922.81 km) |
| South River to Kielce | 4,320.31 mi (6,952.87 km) |
| South River to Kielczow | 4,181.24 mi (6,729.05 km) |
| South River to Klobuck | 4,255.16 mi (6,848.01 km) |
| South River to Klodzko | 4,184.84 mi (6,734.85 km) |
