| Round Lake Beach to Clacton-on-Sea | 3,979.90 mi (6,405.03 km) |
| Round Lake Beach to Clay Cross | 3,840.46 mi (6,180.63 km) |
| Round Lake Beach to Clayton | 3,806.75 mi (6,126.38 km) |
| Round Lake Beach to Clayton le Moors | 3,786.00 mi (6,092.97 km) |
| Round Lake Beach to Cleckheaton | 3,811.95 mi (6,134.74 km) |
| Round Lake Beach to Cleethorpes | 3,879.41 mi (6,243.31 km) |
| Round Lake Beach to Clevedon | 3,839.68 mi (6,179.37 km) |
| Round Lake Beach to Clifton | 3,857.29 mi (6,207.71 km) |
| Round Lake Beach to Clifton | 3,827.12 mi (6,159.16 km) |
| Round Lake Beach to Cliftonville | 4,003.20 mi (6,442.53 km) |
| Round Lake Beach to Clitheroe | 3,782.85 mi (6,087.91 km) |
| Round Lake Beach to Clydebank | 3,652.47 mi (5,878.09 km) |
| Round Lake Beach to Coalville | 3,855.78 mi (6,205.27 km) |
| Round Lake Beach to Coatbridge | 3,666.82 mi (5,901.17 km) |
| Round Lake Beach to Cobham | 3,936.63 mi (6,335.39 km) |
