| Romeoville to Carmignano | 4,698.76 mi (7,561.92 km) |
| Romeoville to Carovigno | 5,098.03 mi (8,204.48 km) |
| Romeoville to Carpenedolo | 4,611.58 mi (7,421.62 km) |
| Romeoville to Carpi | 4,653.24 mi (7,488.67 km) |
| Romeoville to Carrara | 4,651.42 mi (7,485.74 km) |
| Romeoville to Carugate | 4,561.03 mi (7,340.27 km) |
| Romeoville to Casal di Principe | 4,943.53 mi (7,955.85 km) |
| Romeoville to Casale Monferrato | 4,543.23 mi (7,311.62 km) |
| Romeoville to Casale sul Sile | 4,675.48 mi (7,524.46 km) |
| Romeoville to Casalecchio di Reno | 4,681.42 mi (7,534.02 km) |
| Romeoville to Casalgrande | 4,655.64 mi (7,492.52 km) |
| Romeoville to Casalmaggiore | 4,626.49 mi (7,445.61 km) |
| Romeoville to Casalnuovo di Napoli | 4,956.64 mi (7,976.95 km) |
| Romeoville to Casalpusterlengo | 4,588.57 mi (7,384.59 km) |
| Romeoville to Casaluce | 4,946.95 mi (7,961.34 km) |
