| Sintra to Glyka Nera | 1,790.71 mi (2,881.87 km) |
| Sintra to Grevena | 1,638.46 mi (2,636.85 km) |
| Sintra to Ialysos | 2,046.88 mi (3,294.14 km) |
| Sintra to Ilion | 1,782.21 mi (2,868.20 km) |
| Sintra to Ilioupoli | 1,786.34 mi (2,874.83 km) |
| Sintra to Ioannina | 1,611.89 mi (2,594.08 km) |
| Sintra to Irakleio | 1,906.78 mi (3,068.67 km) |
| Sintra to Irakleio | 1,785.52 mi (2,873.52 km) |
| Sintra to Kaisariani | 1,786.26 mi (2,874.71 km) |
| Sintra to Kalamaria | 1,714.09 mi (2,758.56 km) |
| Sintra to Kalamata | 1,712.76 mi (2,756.42 km) |
| Sintra to Kallithea | 1,783.43 mi (2,870.15 km) |
| Sintra to Kalymnos | 1,974.10 mi (3,177.01 km) |
| Sintra to Kalyvia Thorikou | 1,796.70 mi (2,891.51 km) |
| Sintra to Kamatero | 1,782.47 mi (2,868.61 km) |
