| Didcot to Dabrowa Gornicza | 890.43 mi (1,433.01 km) |
| Didcot to Dabrowa Tarnowska | 970.01 mi (1,561.09 km) |
| Didcot to Darlowo | 756.81 mi (1,217.97 km) |
| Didcot to Debica | 990.64 mi (1,594.28 km) |
| Didcot to Deblin | 987.65 mi (1,589.46 km) |
| Didcot to Debno | 678.58 mi (1,092.08 km) |
| Didcot to Dobre Miasto | 915.01 mi (1,472.57 km) |
| Didcot to Drawsko Pomorskie | 726.07 mi (1,168.50 km) |
| Didcot to Drezdenko | 725.95 mi (1,168.30 km) |
| Didcot to Dzialdowo | 906.28 mi (1,458.52 km) |
| Didcot to Dzierzoniow | 775.59 mi (1,248.20 km) |
| Didcot to Elblag | 875.19 mi (1,408.49 km) |
| Didcot to Elk | 994.97 mi (1,601.25 km) |
| Didcot to Garwolin | 974.57 mi (1,568.41 km) |
| Didcot to Gdansk | 845.68 mi (1,360.99 km) |
