| Middlesbrough to Kluczbork | 846.87 mi (1,362.90 km) |
| Middlesbrough to Knurow | 888.51 mi (1,429.92 km) |
| Middlesbrough to Kobylka | 931.82 mi (1,499.62 km) |
| Middlesbrough to Kokoszki | 789.72 mi (1,270.93 km) |
| Middlesbrough to Kolbuszowa | 1,009.20 mi (1,624.15 km) |
| Middlesbrough to Kolno | 940.24 mi (1,513.16 km) |
| Middlesbrough to Kolo | 832.06 mi (1,339.07 km) |
| Middlesbrough to Kolobrzeg | 675.52 mi (1,087.14 km) |
| Middlesbrough to Koluszki | 889.37 mi (1,431.31 km) |
| Middlesbrough to Komorniki | 753.31 mi (1,212.33 km) |
| Middlesbrough to Konin | 817.02 mi (1,314.87 km) |
| Middlesbrough to Konskie | 928.21 mi (1,493.81 km) |
| Middlesbrough to Konstancin-Jeziorna | 934.10 mi (1,503.28 km) |
| Middlesbrough to Konstantynow Lodzki | 870.74 mi (1,401.31 km) |
| Middlesbrough to Koronowo | 781.85 mi (1,258.27 km) |
