| Diamond Bar to Cavdir | 7,094.90 mi (11,418.14 km) |
| Diamond Bar to Cay | 7,038.61 mi (11,327.55 km) |
| Diamond Bar to Caybasi | 7,012.66 mi (11,285.78 km) |
| Diamond Bar to Caycuma | 6,885.69 mi (11,081.44 km) |
| Diamond Bar to Cayeli | 7,072.28 mi (11,381.74 km) |
| Diamond Bar to Cayiralan | 7,095.26 mi (11,418.72 km) |
| Diamond Bar to Cayirhan | 6,959.93 mi (11,200.92 km) |
| Diamond Bar to Cayirli | 7,144.94 mi (11,498.67 km) |
| Diamond Bar to Cayirova | 6,861.28 mi (11,042.17 km) |
| Diamond Bar to Caykara | 7,086.73 mi (11,404.99 km) |
| Diamond Bar to Cekerek | 7,043.15 mi (11,334.85 km) |
| Diamond Bar to Cekme | 6,843.68 mi (11,013.84 km) |
| Diamond Bar to Celtik | 7,029.53 mi (11,312.94 km) |
| Diamond Bar to Cerkes | 6,941.86 mi (11,171.85 km) |
| Diamond Bar to Cerkezkoy | 6,800.15 mi (10,943.78 km) |
