| Round Lake Beach to Cedar Park (Texas) | 981.04 mi (1,578.82 km) |
| Round Lake Beach to Cedar Rapids (Iowa) | 186.38 mi (299.95 km) |
| Round Lake Beach to Cedarburg (Wisconsin) | 63.73 mi (102.57 km) |
| Round Lake Beach to Celebration (Florida) | 1,038.55 mi (1,671.39 km) |
| Round Lake Beach to Celina (Ohio) | 221.48 mi (356.44 km) |
| Round Lake Beach to Celina (Texas) | 785.28 mi (1,263.79 km) |
| Round Lake Beach to Centennial (Colorado) | 894.83 mi (1,440.09 km) |
| Round Lake Beach to Center Point (Alabama) | 608.23 mi (978.85 km) |
| Round Lake Beach to Centereach (New York) | 780.64 mi (1,256.32 km) |
| Round Lake Beach to Centerton (Arkansas) | 532.02 mi (856.20 km) |
| Round Lake Beach to Centerville (Ohio) | 279.40 mi (449.65 km) |
| Round Lake Beach to Centerville (Utah) | 1,228.91 mi (1,977.73 km) |
| Round Lake Beach to Central (Louisiana) | 832.87 mi (1,340.37 km) |
| Round Lake Beach to Central Falls (Rhode Island) | 854.33 mi (1,374.91 km) |
| Round Lake Beach to Central Islip (New York) | 776.21 mi (1,249.19 km) |
