| Twickenham to Glyka Nera | 1,496.11 mi (2,407.75 km) |
| Twickenham to Grevena | 1,301.94 mi (2,095.27 km) |
| Twickenham to Ialysos | 1,738.99 mi (2,798.63 km) |
| Twickenham to Ilion | 1,488.45 mi (2,395.42 km) |
| Twickenham to Ilioupoli | 1,495.32 mi (2,406.49 km) |
| Twickenham to Ioannina | 1,300.98 mi (2,093.72 km) |
| Twickenham to Irakleio | 1,679.74 mi (2,703.28 km) |
| Twickenham to Irakleio | 1,490.12 mi (2,398.12 km) |
| Twickenham to Kaisariani | 1,493.89 mi (2,404.18 km) |
| Twickenham to Kalamaria | 1,336.93 mi (2,151.58 km) |
| Twickenham to Kalamata | 1,480.95 mi (2,383.35 km) |
| Twickenham to Kallithea | 1,492.61 mi (2,402.12 km) |
| Twickenham to Kalymnos | 1,665.54 mi (2,680.42 km) |
| Twickenham to Kalyvia Thorikou | 1,506.60 mi (2,424.63 km) |
| Twickenham to Kamatero | 1,487.58 mi (2,394.03 km) |
