| Groningen to Knurow | 557.68 mi (897.50 km) |
| Groningen to Kobylka | 613.59 mi (987.48 km) |
| Groningen to Kokoszki | 492.47 mi (792.55 km) |
| Groningen to Kolbuszowa | 680.43 mi (1,095.05 km) |
| Groningen to Kolno | 633.25 mi (1,019.12 km) |
| Groningen to Kolo | 509.36 mi (819.74 km) |
| Groningen to Kolobrzeg | 374.20 mi (602.21 km) |
| Groningen to Koluszki | 565.11 mi (909.46 km) |
| Groningen to Komorniki | 428.55 mi (689.68 km) |
| Groningen to Konin | 493.97 mi (794.96 km) |
| Groningen to Konskie | 601.69 mi (968.32 km) |
| Groningen to Konstancin-Jeziorna | 613.82 mi (987.85 km) |
| Groningen to Konstantynow Lodzki | 545.88 mi (878.51 km) |
| Groningen to Koronowo | 469.27 mi (755.22 km) |
| Groningen to Koscian | 429.48 mi (691.18 km) |
