| Boulder City to Glyka Nera | 6,694.92 mi (10,774.44 km) |
| Boulder City to Grevena | 6,502.71 mi (10,465.10 km) |
| Boulder City to Ialysos | 6,910.34 mi (11,121.12 km) |
| Boulder City to Ilion | 6,688.15 mi (10,763.54 km) |
| Boulder City to Ilioupoli | 6,695.44 mi (10,775.26 km) |
| Boulder City to Ioannina | 6,509.55 mi (10,476.11 km) |
| Boulder City to Irakleio | 6,887.91 mi (11,085.02 km) |
| Boulder City to Irakleio | 6,689.14 mi (10,765.12 km) |
| Boulder City to Kaisariani | 6,693.64 mi (10,772.38 km) |
| Boulder City to Kalamaria | 6,518.39 mi (10,490.33 km) |
| Boulder City to Kalamata | 6,697.96 mi (10,779.33 km) |
| Boulder City to Kallithea | 6,693.00 mi (10,771.34 km) |
| Boulder City to Kalymnos | 6,843.75 mi (11,013.96 km) |
| Boulder City to Kalyvia Thorikou | 6,706.15 mi (10,792.51 km) |
| Boulder City to Kamatero | 6,686.97 mi (10,761.63 km) |
