| Romeoville to Cassina de' Pecchi | 4,563.69 mi (7,344.55 km) |
| Romeoville to Cassino | 4,910.27 mi (7,902.31 km) |
| Romeoville to Castagneto Carducci | 4,709.32 mi (7,578.92 km) |
| Romeoville to Castano Primo | 4,538.75 mi (7,304.41 km) |
| Romeoville to Castel Bolognese | 4,708.68 mi (7,577.90 km) |
| Romeoville to Castel Gandolfo | 4,852.13 mi (7,808.75 km) |
| Romeoville to Castel Goffredo | 4,616.01 mi (7,428.75 km) |
| Romeoville to Castel Maggiore | 4,681.21 mi (7,533.69 km) |
| Romeoville to Castel Mella | 4,595.04 mi (7,395.00 km) |
| Romeoville to Castel San Giorgio | 4,976.59 mi (8,009.05 km) |
| Romeoville to Castel San Giovanni | 4,585.23 mi (7,379.21 km) |
| Romeoville to Castel San Pietro Terme | 4,696.69 mi (7,558.59 km) |
| Romeoville to Castel Volturno | 4,933.37 mi (7,939.49 km) |
| Romeoville to Castelbuono | 5,079.15 mi (8,174.11 km) |
| Romeoville to Casteldaccia | 5,050.38 mi (8,127.81 km) |
