| Gretz-Armainvilliers to Knurow | 721.78 mi (1,161.59 km) |
| Gretz-Armainvilliers to Kobylka | 845.35 mi (1,360.45 km) |
| Gretz-Armainvilliers to Kokoszki | 777.76 mi (1,251.68 km) |
| Gretz-Armainvilliers to Kolbuszowa | 858.07 mi (1,380.92 km) |
| Gretz-Armainvilliers to Kolno | 890.32 mi (1,432.84 km) |
| Gretz-Armainvilliers to Kolo | 737.09 mi (1,186.23 km) |
| Gretz-Armainvilliers to Kolobrzeg | 666.76 mi (1,073.04 km) |
| Gretz-Armainvilliers to Koluszki | 780.15 mi (1,255.53 km) |
| Gretz-Armainvilliers to Komorniki | 658.97 mi (1,060.52 km) |
| Gretz-Armainvilliers to Konin | 722.22 mi (1,162.30 km) |
| Gretz-Armainvilliers to Konskie | 801.86 mi (1,290.46 km) |
| Gretz-Armainvilliers to Konstancin-Jeziorna | 839.10 mi (1,350.40 km) |
| Gretz-Armainvilliers to Konstantynow Lodzki | 760.43 mi (1,223.80 km) |
| Gretz-Armainvilliers to Koronowo | 730.29 mi (1,175.29 km) |
| Gretz-Armainvilliers to Koscian | 653.51 mi (1,051.73 km) |
