| Highgate to Glyka Nera | 1,493.03 mi (2,402.80 km) |
| Highgate to Grevena | 1,298.79 mi (2,090.20 km) |
| Highgate to Ialysos | 1,735.23 mi (2,792.58 km) |
| Highgate to Ilion | 1,485.40 mi (2,390.52 km) |
| Highgate to Ilioupoli | 1,492.30 mi (2,401.63 km) |
| Highgate to Ioannina | 1,298.21 mi (2,089.26 km) |
| Highgate to Irakleio | 1,677.18 mi (2,699.16 km) |
| Highgate to Irakleio | 1,487.05 mi (2,393.18 km) |
| Highgate to Kaisariani | 1,490.85 mi (2,399.29 km) |
| Highgate to Kalamaria | 1,333.08 mi (2,145.38 km) |
| Highgate to Kalamata | 1,478.78 mi (2,379.87 km) |
| Highgate to Kallithea | 1,489.60 mi (2,397.28 km) |
| Highgate to Kalymnos | 1,661.90 mi (2,674.57 km) |
| Highgate to Kalyvia Thorikou | 1,503.56 mi (2,419.75 km) |
| Highgate to Kamatero | 1,484.52 mi (2,389.11 km) |
