| Sierning to Grevena | 653.05 mi (1,050.99 km) |
| Sierning to Ialysos | 1,067.58 mi (1,718.10 km) |
| Sierning to Ilion | 837.27 mi (1,347.46 km) |
| Sierning to Ilioupoli | 844.59 mi (1,359.24 km) |
| Sierning to Ioannina | 663.93 mi (1,068.50 km) |
| Sierning to Irakleio | 1,038.10 mi (1,670.67 km) |
| Sierning to Irakleio | 838.18 mi (1,348.92 km) |
| Sierning to Kaisariani | 842.76 mi (1,356.29 km) |
| Sierning to Kalamaria | 668.63 mi (1,076.05 km) |
| Sierning to Kalamata | 856.89 mi (1,379.02 km) |
| Sierning to Kallithea | 842.20 mi (1,355.38 km) |
| Sierning to Kalymnos | 997.36 mi (1,605.09 km) |
| Sierning to Kalyvia Thorikou | 855.22 mi (1,376.34 km) |
| Sierning to Kamatero | 836.06 mi (1,345.50 km) |
| Sierning to Karditsa | 709.03 mi (1,141.08 km) |
