| Diamond Bar to Cabestany | 5,951.47 mi (9,577.96 km) |
| Diamond Bar to Cabries | 6,000.85 mi (9,657.43 km) |
| Diamond Bar to Cachan | 5,636.83 mi (9,071.61 km) |
| Diamond Bar to Caen | 5,528.52 mi (8,897.30 km) |
| Diamond Bar to Cagnes-sur-Mer | 6,050.55 mi (9,737.41 km) |
| Diamond Bar to Cahors | 5,812.63 mi (9,354.52 km) |
| Diamond Bar to Calais | 5,519.31 mi (8,882.47 km) |
| Diamond Bar to Caluire-et-Cuire | 5,866.05 mi (9,440.49 km) |
| Diamond Bar to Cambrai | 5,599.90 mi (9,012.17 km) |
| Diamond Bar to Canet-en-Roussillon | 5,952.59 mi (9,579.77 km) |
| Diamond Bar to Cannes | 6,051.64 mi (9,739.17 km) |
| Diamond Bar to Canteleu | 5,562.93 mi (8,952.67 km) |
| Diamond Bar to Capbreton | 5,744.95 mi (9,245.61 km) |
| Diamond Bar to Carcassonne | 5,904.47 mi (9,502.32 km) |
| Diamond Bar to Carmaux | 5,857.32 mi (9,426.45 km) |
