| Didcot to Glyka Nera | 1,535.44 mi (2,471.06 km) |
| Didcot to Grevena | 1,341.34 mi (2,158.68 km) |
| Didcot to Ialysos | 1,778.78 mi (2,862.68 km) |
| Didcot to Ilion | 1,527.76 mi (2,458.69 km) |
| Didcot to Ilioupoli | 1,534.62 mi (2,469.73 km) |
| Didcot to Ioannina | 1,340.07 mi (2,156.64 km) |
| Didcot to Irakleio | 1,718.63 mi (2,765.86 km) |
| Didcot to Irakleio | 1,529.46 mi (2,461.43 km) |
| Didcot to Kaisariani | 1,533.19 mi (2,467.44 km) |
| Didcot to Kalamaria | 1,376.78 mi (2,215.72 km) |
| Didcot to Kalamata | 1,519.46 mi (2,445.34 km) |
| Didcot to Kallithea | 1,531.90 mi (2,465.35 km) |
| Didcot to Kalymnos | 1,705.26 mi (2,744.34 km) |
| Didcot to Kalyvia Thorikou | 1,545.90 mi (2,487.89 km) |
| Didcot to Kamatero | 1,526.90 mi (2,457.31 km) |
