| Didcot to Karis | 1,119.30 mi (1,801.34 km) |
| Didcot to Karkkila | 1,148.35 mi (1,848.09 km) |
| Didcot to Kauhajoki | 1,144.18 mi (1,841.38 km) |
| Didcot to Kauhava | 1,191.66 mi (1,917.79 km) |
| Didcot to Kauniainen | 1,157.37 mi (1,862.60 km) |
| Didcot to Kemi | 1,327.58 mi (2,136.53 km) |
| Didcot to Kemijarvi | 1,431.65 mi (2,304.02 km) |
| Didcot to Kempele | 1,319.40 mi (2,123.37 km) |
| Didcot to Kerava | 1,173.40 mi (1,888.41 km) |
| Didcot to Keuruu | 1,210.40 mi (1,947.95 km) |
| Didcot to Kiiminki | 1,333.99 mi (2,146.84 km) |
| Didcot to Kirkkonummi | 1,144.81 mi (1,842.39 km) |
| Didcot to Kitee | 1,369.21 mi (2,203.53 km) |
| Didcot to Kiuruvesi | 1,306.40 mi (2,102.45 km) |
| Didcot to Kivisto | 1,163.44 mi (1,872.37 km) |
