| Mercer Island to Cromer | 4,742.60 mi (7,632.47 km) |
| Mercer Island to Crosby | 4,600.76 mi (7,404.21 km) |
| Mercer Island to Crowborough | 4,816.03 mi (7,750.66 km) |
| Mercer Island to Croxley Green | 4,767.98 mi (7,673.31 km) |
| Mercer Island to Croydon | 4,791.78 mi (7,711.63 km) |
| Mercer Island to Cudworth | 4,638.15 mi (7,464.38 km) |
| Mercer Island to Culcheth | 4,616.13 mi (7,428.94 km) |
| Mercer Island to Cullercoats | 4,559.78 mi (7,338.25 km) |
| Mercer Island to Cumbernauld | 4,446.88 mi (7,156.56 km) |
| Mercer Island to Cumnock | 4,465.51 mi (7,186.55 km) |
| Mercer Island to Cupar | 4,452.18 mi (7,165.09 km) |
| Mercer Island to Cwmbran | 4,698.65 mi (7,561.75 km) |
| Mercer Island to Dagenham | 4,789.26 mi (7,707.57 km) |
| Mercer Island to Dalkeith | 4,473.19 mi (7,198.90 km) |
| Mercer Island to Darfield | 4,641.19 mi (7,469.28 km) |
