| Flying Distance | 44.13 km | 2 minutes |
| Driving Distance | km | |
| Walking Distance | 48.48 km | 10 hours 17 minutes |
| Cycling Distance | km | |
| Transit Distance | 50.8 km | 2 hours 55 minutes |
The flying distance between Costa Mesa and Diamond Bar (by plane) is 44.13 km, it will take about 2 minutes to reach the destination by plane at an avearge speed of 900 km per hour.
The road distance from Costa Mesa to Diamond Bar is km, estimated time to go
The cycling distance from Costa Mesa to Diamond Bar is km, estimated time to go
The walking distance between Costa Mesa and Diamond Bar is 48.48 km, estimated time to go 10 hours 17 minutes