| Castleton to Glyka Nera | 1,636.68 mi (2,633.99 km) |
| Castleton to Grevena | 1,442.31 mi (2,321.17 km) |
| Castleton to Ialysos | 1,873.71 mi (3,015.45 km) |
| Castleton to Ilion | 1,629.26 mi (2,622.05 km) |
| Castleton to Ilioupoli | 1,636.29 mi (2,633.36 km) |
| Castleton to Ioannina | 1,444.11 mi (2,324.07 km) |
| Castleton to Irakleio | 1,823.84 mi (2,935.19 km) |
| Castleton to Irakleio | 1,630.74 mi (2,624.42 km) |
| Castleton to Kaisariani | 1,634.74 mi (2,630.86 km) |
| Castleton to Kalamaria | 1,471.65 mi (2,368.40 km) |
| Castleton to Kalamata | 1,627.94 mi (2,619.91 km) |
| Castleton to Kallithea | 1,633.65 mi (2,629.11 km) |
| Castleton to Kalymnos | 1,801.43 mi (2,899.12 km) |
| Castleton to Kalyvia Thorikou | 1,647.44 mi (2,651.30 km) |
| Castleton to Kamatero | 1,628.30 mi (2,620.49 km) |
