Flight Time from Highlands Ranch to Longmont
The flight from Highlands Ranch to Longmont covers about 43 mi and takes roughly 35 min nonstop. Flight duration estimate and fare guide.
Highlands Ranch and Longmont are about 43 mi (69 km) apart in a straight line. By road that works out to roughly 56 mi (90 km), a drive of about 1 hr 17 min. A nonstop flight covers the great-circle distance in approximately 35 min.
| Straight-line distance | 43 mi / 69 km |
| Road distance (est.) | 56 mi / 90 km |
| Driving time (est.) | 1 hr 17 min |
| Nonstop flight (est.) | 35 min |
| Driving fuel (est., 1-way) | $7 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 39.861, -105.035 |
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
Highlands Ranch to Longmont is about 43 mi (69 km) in a straight line, and roughly 56 mi (90 km) by road.