| Castle Rock to Glyka Nera | 6,180.40 mi (9,946.39 km) |
| Castle Rock to Grevena | 5,986.49 mi (9,634.33 km) |
| Castle Rock to Ialysos | 6,407.07 mi (10,311.19 km) |
| Castle Rock to Ilion | 6,173.23 mi (9,934.86 km) |
| Castle Rock to Ilioupoli | 6,180.38 mi (9,946.37 km) |
| Castle Rock to Ioannina | 5,990.08 mi (9,640.10 km) |
| Castle Rock to Irakleio | 6,369.85 mi (10,251.29 km) |
| Castle Rock to Irakleio | 6,174.51 mi (9,936.91 km) |
| Castle Rock to Kaisariani | 6,178.73 mi (9,943.70 km) |
| Castle Rock to Kalamaria | 6,008.98 mi (9,670.51 km) |
| Castle Rock to Kalamata | 6,174.47 mi (9,936.85 km) |
| Castle Rock to Kallithea | 6,177.82 mi (9,942.24 km) |
| Castle Rock to Kalymnos | 6,337.70 mi (10,199.55 km) |
| Castle Rock to Kalyvia Thorikou | 6,191.38 mi (9,964.06 km) |
| Castle Rock to Kamatero | 6,172.17 mi (9,933.16 km) |
