Driving Time from Diamond Bar to Los Angeles
Driving from Diamond Bar to Los Angeles is about 35 mi and takes roughly 48 min. See the fuel-cost estimate, distance and route tips.
Diamond Bar and Los Angeles are about 25 mi (40 km) apart in a straight line. By road that works out to roughly 35 mi (56 km), a drive of about 48 min. A nonstop flight covers the great-circle distance in approximately 33 min.
| Straight-line distance | 25 mi / 40 km |
| Road distance (est.) | 35 mi / 56 km |
| Driving time (est.) | 48 min |
| Nonstop flight (est.) | 33 min |
| Driving fuel (est., 1-way) | $4 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 34.041, -118.027 |
How these estimates work
Straight-line distance uses the haversine formula on each city's coordinates. Road distance applies a circuity factor (~1.2–1.4×) and driving time a blended average speed. Flight time uses typical jet cruise speed plus ~30 minutes for taxi, climb and descent. Treat all figures as planning estimates.
Frequently asked questions
Diamond Bar to Los Angeles is about 25 mi (40 km) in a straight line, and roughly 35 mi (56 km) by road.