| Romeoville to Glyka Nera | 5,466.60 mi (8,797.65 km) |
| Romeoville to Grevena | 5,272.62 mi (8,485.46 km) |
| Romeoville to Ialysos | 5,708.82 mi (9,187.45 km) |
| Romeoville to Ilion | 5,458.86 mi (8,785.19 km) |
| Romeoville to Ilioupoli | 5,465.68 mi (8,796.16 km) |
| Romeoville to Ioannina | 5,270.48 mi (8,482.01 km) |
| Romeoville to Irakleio | 5,647.33 mi (9,088.49 km) |
| Romeoville to Irakleio | 5,460.61 mi (8,788.01 km) |
| Romeoville to Kaisariani | 5,464.29 mi (8,793.92 km) |
| Romeoville to Kalamaria | 5,306.56 mi (8,540.08 km) |
| Romeoville to Kalamata | 5,445.33 mi (8,763.42 km) |
| Romeoville to Kallithea | 5,462.94 mi (8,791.75 km) |
| Romeoville to Kalymnos | 5,635.89 mi (9,070.08 km) |
| Romeoville to Kalyvia Thorikou | 5,476.99 mi (8,814.36 km) |
| Romeoville to Kamatero | 5,458.04 mi (8,783.86 km) |
