| Tulcea to Kluczbork | 630.47 mi (1,014.64 km) |
| Tulcea to Knurow | 583.89 mi (939.69 km) |
| Tulcea to Kobylka | 602.12 mi (969.02 km) |
| Tulcea to Kokoszki | 780.92 mi (1,256.76 km) |
| Tulcea to Kolbuszowa | 478.24 mi (769.66 km) |
| Tulcea to Kolno | 646.08 mi (1,039.76 km) |
| Tulcea to Kolo | 669.29 mi (1,077.11 km) |
| Tulcea to Kolobrzeg | 854.61 mi (1,375.37 km) |
| Tulcea to Koluszki | 611.82 mi (984.63 km) |
| Tulcea to Komorniki | 735.30 mi (1,183.35 km) |
| Tulcea to Konin | 681.63 mi (1,096.98 km) |
| Tulcea to Konskie | 566.32 mi (911.40 km) |
| Tulcea to Konstancin-Jeziorna | 590.83 mi (950.86 km) |
| Tulcea to Konstantynow Lodzki | 626.32 mi (1,007.96 km) |
| Tulcea to Koronowo | 743.64 mi (1,196.78 km) |
