| Gloucester to Glyka Nera | 1,581.77 mi (2,545.62 km) |
| Gloucester to Grevena | 1,387.70 mi (2,233.28 km) |
| Gloucester to Ialysos | 1,825.26 mi (2,937.48 km) |
| Gloucester to Ilion | 1,574.08 mi (2,533.24 km) |
| Gloucester to Ilioupoli | 1,580.93 mi (2,544.26 km) |
| Gloucester to Ioannina | 1,386.30 mi (2,231.03 km) |
| Gloucester to Irakleio | 1,764.73 mi (2,840.06 km) |
| Gloucester to Irakleio | 1,575.79 mi (2,535.98 km) |
| Gloucester to Kaisariani | 1,579.51 mi (2,541.98 km) |
| Gloucester to Kalamaria | 1,423.27 mi (2,290.53 km) |
| Gloucester to Kalamata | 1,565.36 mi (2,519.20 km) |
| Gloucester to Kallithea | 1,578.21 mi (2,539.88 km) |
| Gloucester to Kalymnos | 1,751.72 mi (2,819.12 km) |
| Gloucester to Kalyvia Thorikou | 1,592.22 mi (2,562.43 km) |
| Gloucester to Kamatero | 1,573.23 mi (2,531.87 km) |
