| Diamond Bar to Campodarsego | 6,109.91 mi (9,832.95 km) |
| Diamond Bar to Campogalliano | 6,119.70 mi (9,848.70 km) |
| Diamond Bar to Campolongo Maggiore | 6,122.90 mi (9,853.86 km) |
| Diamond Bar to Camponogara | 6,120.75 mi (9,850.40 km) |
| Diamond Bar to Camposampiero | 6,106.87 mi (9,828.06 km) |
| Diamond Bar to Canegrate | 6,012.32 mi (9,675.90 km) |
| Diamond Bar to Canelli | 6,034.98 mi (9,712.36 km) |
| Diamond Bar to Canicatti | 6,609.58 mi (10,637.09 km) |
| Diamond Bar to Canosa di Puglia | 6,471.29 mi (10,414.54 km) |
| Diamond Bar to Cantu | 6,010.14 mi (9,672.38 km) |
| Diamond Bar to Caorle | 6,134.18 mi (9,872.00 km) |
| Diamond Bar to Capaci | 6,545.37 mi (10,533.76 km) |
| Diamond Bar to Capannori | 6,154.42 mi (9,904.58 km) |
| Diamond Bar to Capena | 6,309.01 mi (10,153.37 km) |
| Diamond Bar to Capo d'Orlando | 6,596.84 mi (10,616.60 km) |
