| Romeoville to Hameenkyro | 4,345.83 mi (6,993.93 km) |
| Romeoville to Hameenlinna | 4,406.27 mi (7,091.21 km) |
| Romeoville to Hamina | 4,495.38 mi (7,234.62 km) |
| Romeoville to Hanko | 4,417.62 mi (7,109.47 km) |
| Romeoville to Hattula | 4,401.10 mi (7,082.89 km) |
| Romeoville to Haukipudas | 4,244.75 mi (6,831.27 km) |
| Romeoville to Hausjarvi | 4,429.79 mi (7,129.05 km) |
| Romeoville to Heinola | 4,437.04 mi (7,140.73 km) |
| Romeoville to Helsinki | 4,455.10 mi (7,169.79 km) |
| Romeoville to Hollola | 4,433.35 mi (7,134.78 km) |
| Romeoville to Huittinen | 4,352.56 mi (7,004.77 km) |
| Romeoville to Hyvinkaa | 4,432.18 mi (7,132.91 km) |
| Romeoville to Ii | 4,239.50 mi (6,822.81 km) |
| Romeoville to Iisalmi | 4,358.24 mi (7,013.90 km) |
| Romeoville to Ilmajoki | 4,283.30 mi (6,893.31 km) |
