| Cascais to Glyka Nera | 1,793.28 mi (2,886.01 km) |
| Cascais to Grevena | 1,641.50 mi (2,641.74 km) |
| Cascais to Ialysos | 2,049.28 mi (3,298.00 km) |
| Cascais to Ilion | 1,784.79 mi (2,872.34 km) |
| Cascais to Ilioupoli | 1,788.89 mi (2,878.94 km) |
| Cascais to Ioannina | 1,614.80 mi (2,598.76 km) |
| Cascais to Irakleio | 1,908.76 mi (3,071.85 km) |
| Cascais to Irakleio | 1,788.10 mi (2,877.67 km) |
| Cascais to Kaisariani | 1,788.82 mi (2,878.84 km) |
| Cascais to Kalamaria | 1,717.29 mi (2,763.72 km) |
| Cascais to Kalamata | 1,714.99 mi (2,760.02 km) |
| Cascais to Kallithea | 1,785.98 mi (2,874.26 km) |
| Cascais to Kalymnos | 1,976.57 mi (3,180.99 km) |
| Cascais to Kalyvia Thorikou | 1,799.24 mi (2,895.59 km) |
| Cascais to Kamatero | 1,785.05 mi (2,872.76 km) |
