| Round Lake Beach to Channelview (Texas) | 953.40 mi (1,534.35 km) |
| Round Lake Beach to Chantilly (Virginia) | 607.08 mi (977.00 km) |
| Round Lake Beach to Chaparral (New Mexico) | 1,231.24 mi (1,981.48 km) |
| Round Lake Beach to Chapel Hill (North Carolina) | 657.64 mi (1,058.38 km) |
| Round Lake Beach to Charleston (Illinois) | 200.08 mi (322.00 km) |
| Round Lake Beach to Charleston (South Carolina) | 795.20 mi (1,279.75 km) |
| Round Lake Beach to Charleston (West Virginia) | 438.89 mi (706.32 km) |
| Round Lake Beach to Charlotte (North Carolina) | 630.30 mi (1,014.37 km) |
| Round Lake Beach to Charlottesville (Virginia) | 587.98 mi (946.26 km) |
| Round Lake Beach to Chaska (Minnesota) | 323.73 mi (520.99 km) |
| Round Lake Beach to Chatham (Illinois) | 204.96 mi (329.86 km) |
| Round Lake Beach to Chattanooga (Tennessee) | 527.77 mi (849.36 km) |
| Round Lake Beach to Cheat Lake (West Virginia) | 467.63 mi (752.57 km) |
| Round Lake Beach to Chelsea (Alabama) | 630.46 mi (1,014.62 km) |
| Round Lake Beach to Chelsea (Massachusetts) | 868.57 mi (1,397.83 km) |
