| Rockville to Glyka Nera | 5,130.72 mi (8,257.10 km) |
| Rockville to Grevena | 4,940.06 mi (7,950.26 km) |
| Rockville to Ialysos | 5,383.31 mi (8,663.60 km) |
| Rockville to Ilion | 5,122.57 mi (8,243.99 km) |
| Rockville to Ilioupoli | 5,128.95 mi (8,254.24 km) |
| Rockville to Ioannina | 4,932.41 mi (7,937.94 km) |
| Rockville to Irakleio | 5,300.09 mi (8,529.67 km) |
| Rockville to Irakleio | 5,124.75 mi (8,247.48 km) |
| Rockville to Kaisariani | 5,127.83 mi (8,252.44 km) |
| Rockville to Kalamaria | 4,984.33 mi (8,021.51 km) |
| Rockville to Kalamata | 5,095.04 mi (8,199.67 km) |
| Rockville to Kallithea | 5,126.08 mi (8,249.64 km) |
| Rockville to Kalymnos | 5,308.36 mi (8,542.97 km) |
| Rockville to Kalyvia Thorikou | 5,140.36 mi (8,272.62 km) |
| Rockville to Kamatero | 5,121.98 mi (8,243.03 km) |
