| Alton to Glyka Nera | 1,510.74 mi (2,431.30 km) |
| Alton to Grevena | 1,316.83 mi (2,119.24 km) |
| Alton to Ialysos | 1,755.41 mi (2,825.07 km) |
| Alton to Ilion | 1,503.00 mi (2,418.84 km) |
| Alton to Ilioupoli | 1,509.81 mi (2,429.81 km) |
| Alton to Ioannina | 1,314.84 mi (2,116.04 km) |
| Alton to Irakleio | 1,692.90 mi (2,724.46 km) |
| Alton to Irakleio | 1,504.75 mi (2,421.66 km) |
| Alton to Kaisariani | 1,508.42 mi (2,427.56 km) |
| Alton to Kalamaria | 1,353.69 mi (2,178.56 km) |
| Alton to Kalamata | 1,493.08 mi (2,402.88 km) |
| Alton to Kallithea | 1,507.07 mi (2,425.40 km) |
| Alton to Kalymnos | 1,681.64 mi (2,706.33 km) |
| Alton to Kalyvia Thorikou | 1,521.12 mi (2,448.01 km) |
| Alton to Kamatero | 1,502.17 mi (2,417.51 km) |
