| Round Lake Beach to Cromer | 3,947.88 mi (6,353.50 km) |
| Round Lake Beach to Crosby | 3,770.53 mi (6,068.08 km) |
| Round Lake Beach to Crowborough | 3,967.15 mi (6,384.51 km) |
| Round Lake Beach to Croxley Green | 3,924.87 mi (6,316.47 km) |
| Round Lake Beach to Croydon | 3,946.54 mi (6,351.35 km) |
| Round Lake Beach to Cudworth | 3,827.60 mi (6,159.93 km) |
| Round Lake Beach to Culcheth | 3,790.60 mi (6,100.38 km) |
| Round Lake Beach to Cullercoats | 3,783.02 mi (6,088.19 km) |
| Round Lake Beach to Cumbernauld | 3,665.73 mi (5,899.43 km) |
| Round Lake Beach to Cumnock | 3,669.50 mi (5,905.49 km) |
| Round Lake Beach to Cupar | 3,690.24 mi (5,938.86 km) |
| Round Lake Beach to Cwmbran | 3,826.60 mi (6,158.31 km) |
| Round Lake Beach to Dagenham | 3,950.58 mi (6,357.84 km) |
| Round Lake Beach to Dalkeith | 3,700.31 mi (5,955.07 km) |
| Round Lake Beach to Darfield | 3,830.08 mi (6,163.92 km) |
