| Diamond Bar to Butzbach | 5,753.55 mi (9,259.44 km) |
| Diamond Bar to Buxtehude | 5,626.80 mi (9,055.46 km) |
| Diamond Bar to Cadolzburg | 5,869.47 mi (9,446.00 km) |
| Diamond Bar to Calbe | 5,765.86 mi (9,279.26 km) |
| Diamond Bar to Calw | 5,843.90 mi (9,404.84 km) |
| Diamond Bar to Castrop-Rauxel | 5,657.34 mi (9,104.61 km) |
| Diamond Bar to Celle | 5,681.35 mi (9,143.25 km) |
| Diamond Bar to Cham | 5,933.32 mi (9,548.75 km) |
| Diamond Bar to Chemnitz | 5,854.20 mi (9,421.42 km) |
| Diamond Bar to Clausthal-Zellerfeld | 5,731.07 mi (9,223.27 km) |
| Diamond Bar to Cloppenburg | 5,612.87 mi (9,033.04 km) |
| Diamond Bar to Coburg | 5,829.46 mi (9,381.61 km) |
| Diamond Bar to Coesfeld | 5,632.83 mi (9,065.16 km) |
| Diamond Bar to Cologne | 5,677.38 mi (9,136.86 km) |
| Diamond Bar to Coswig | 5,856.26 mi (9,424.74 km) |
