| Didcot to Jozefow | 955.65 mi (1,537.97 km) |
| Didcot to Kalisz | 825.35 mi (1,328.27 km) |
| Didcot to Kamien Pomorski | 687.14 mi (1,105.85 km) |
| Didcot to Kamienna Gora | 748.36 mi (1,204.37 km) |
| Didcot to Karczew | 956.76 mi (1,539.76 km) |
| Didcot to Kartuzy | 827.73 mi (1,332.10 km) |
| Didcot to Katowice | 884.01 mi (1,422.68 km) |
| Didcot to Kedzierzyn-Kozle | 847.63 mi (1,364.13 km) |
| Didcot to Kepno | 825.78 mi (1,328.97 km) |
| Didcot to Ketrzyn | 955.22 mi (1,537.28 km) |
| Didcot to Kety | 898.98 mi (1,446.78 km) |
| Didcot to Kielce | 944.01 mi (1,519.24 km) |
| Didcot to Kielczow | 792.99 mi (1,276.19 km) |
| Didcot to Klobuck | 870.79 mi (1,401.40 km) |
| Didcot to Klodzko | 779.83 mi (1,255.02 km) |
