Flight Time from Diamond Bar to West Covina
The flight from Diamond Bar to West Covina covers about 8 mi and takes roughly 31 min nonstop. Flight duration estimate and fare guide.
Diamond Bar and West Covina are about 8 mi (13 km) apart in a straight line. By road that works out to roughly 11 mi (18 km), a drive of about 27 min. A nonstop flight covers the great-circle distance in approximately 31 min.
| Straight-line distance | 8 mi / 13 km |
| Road distance (est.) | 11 mi / 18 km |
| Driving time (est.) | 27 min |
| Nonstop flight (est.) | 31 min |
| Driving fuel (est., 1-way) | $1 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 34.049, -117.875 |
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 West Covina is about 8 mi (13 km) in a straight line, and roughly 11 mi (18 km) by road.