| Diamond Bar to Cromer | 5,409.13 mi (8,705.16 km) |
| Diamond Bar to Crosby | 5,248.08 mi (8,445.96 km) |
| Diamond Bar to Crowborough | 5,459.61 mi (8,786.39 km) |
| Diamond Bar to Croxley Green | 5,413.18 mi (8,711.67 km) |
| Diamond Bar to Croydon | 5,436.52 mi (8,749.23 km) |
| Diamond Bar to Cudworth | 5,295.23 mi (8,521.86 km) |
| Diamond Bar to Culcheth | 5,265.94 mi (8,474.71 km) |
| Diamond Bar to Cullercoats | 5,229.93 mi (8,416.76 km) |
| Diamond Bar to Cumbernauld | 5,112.36 mi (8,227.55 km) |
| Diamond Bar to Cumnock | 5,124.93 mi (8,247.79 km) |
| Diamond Bar to Cupar | 5,126.09 mi (8,249.65 km) |
| Diamond Bar to Cwmbran | 5,328.76 mi (8,575.82 km) |
| Diamond Bar to Dagenham | 5,436.97 mi (8,749.96 km) |
| Diamond Bar to Dalkeith | 5,142.91 mi (8,276.72 km) |
| Diamond Bar to Darfield | 5,298.09 mi (8,526.46 km) |
