| South River to Kluczbork | 4,225.85 mi (6,800.84 km) |
| South River to Knurow | 4,270.12 mi (6,872.09 km) |
| South River to Kobylka | 4,288.98 mi (6,902.45 km) |
| South River to Kokoszki | 4,122.84 mi (6,635.07 km) |
| South River to Kolbuszowa | 4,385.31 mi (7,057.48 km) |
| South River to Kolno | 4,276.91 mi (6,883.02 km) |
| South River to Kolo | 4,199.84 mi (6,758.99 km) |
| South River to Kolobrzeg | 4,024.04 mi (6,476.06 km) |
| South River to Koluszki | 4,258.39 mi (6,853.21 km) |
| South River to Komorniki | 4,125.96 mi (6,640.08 km) |
| South River to Konin | 4,185.74 mi (6,736.31 km) |
| South River to Konskie | 4,300.61 mi (6,921.16 km) |
| South River to Konstancin-Jeziorna | 4,294.86 mi (6,911.91 km) |
| South River to Konstantynow Lodzki | 4,241.14 mi (6,825.46 km) |
| South River to Koronowo | 4,136.87 mi (6,657.65 km) |
