| Didcot to Kluczbork | 839.28 mi (1,350.70 km) |
| Didcot to Knurow | 870.54 mi (1,401.01 km) |
| Didcot to Kobylka | 952.73 mi (1,533.27 km) |
| Didcot to Kokoszki | 839.55 mi (1,351.12 km) |
| Didcot to Kolbuszowa | 1,002.15 mi (1,612.80 km) |
| Didcot to Kolno | 978.11 mi (1,574.12 km) |
| Didcot to Kolo | 845.58 mi (1,360.83 km) |
| Didcot to Kolobrzeg | 721.27 mi (1,160.77 km) |
| Didcot to Koluszki | 898.39 mi (1,445.82 km) |
| Didcot to Komorniki | 763.66 mi (1,228.99 km) |
| Didcot to Konin | 830.02 mi (1,335.78 km) |
| Didcot to Konskie | 930.52 mi (1,497.52 km) |
| Didcot to Konstancin-Jeziorna | 951.15 mi (1,530.72 km) |
| Didcot to Konstantynow Lodzki | 878.60 mi (1,413.97 km) |
| Didcot to Koronowo | 813.28 mi (1,308.85 km) |
