How far is Boulder, CO from Fort Lupton, CO?
The driving distance from Boulder, CO to Fort Lupton, CO is about 28.5 miles (45.9 km), with a travel time of about 00h 48m by car.
- The straight-line flight distance is about 24.7 miles (39.7 km).
- For a round trip, plan for roughly 01h 37m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 00h 48m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Boulder County, Colorado, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Chance Snow Showers
Mostly Sunny then Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Boulder and Fort Lupton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Boulder and Fort Lupton.
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1
Start on the route
27 m · 7 sec
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2
Turn right onto 19th Street
44 m · 14 sec · 19th Street
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3
Turn left onto Arapahoe Avenue
1.6 mi · 4 min · Arapahoe Avenue
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4
Turn left onto Foothills Parkway
2.5 mi · 4 min · Foothills Parkway
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5
Continue on Diagonal Highway
3.7 mi · 5 min · Diagonal Highway
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6
Turn right onto Mineral Road
20.3 mi · 34 min · Mineral Road
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7
Turn left onto Mc Kinley Avenue
1632 ft · 1 min · Mc Kinley Avenue
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8
Arrive at your destination
0 m · 1 sec · Mc Kinley Avenue
Car Route Details
A richer read on the saved driving route between Boulder and Fort Lupton.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Mineral Road
Turn right onto Mineral Road
20.3 mi · 00h 34m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny then Chance Snow Showers leaving Boulder and Mostly Sunny then Slight Chance Rain Showers near Fort Lupton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Boulder to Fort Lupton?
The road trip is about 28.5 miles (45.9 km) and usually takes 00h 48m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Erie is a useful midpoint, sitting about 14.2 miles from Boulder and 14.3 miles from Fort Lupton.
How much longer is the road route than the straight-line distance?
The direct path is about 24.7 miles (39.7 km), while the road route adds roughly 3.8 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 4:52 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.73 one way or $7.47 round trip. Estimated CO2 is about 9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Chance Snow Showers around Boulder and Mostly Sunny then Slight Chance Rain Showers near Fort Lupton.
Stop Ideas Near Erie
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Old Town Hall
Broomfield City Council
Lafayette City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Erie.
Longmont, Colorado
Boulder, Colorado
Union Station
Denver (Bus Station), Colorado
Flight Path Map
This map shows the direct air route between Boulder and Fort Lupton. Straight-line distance: 24.67 mi (39.71 km).
#1 Boulder
The most populous city in Boulder County, Colorado.
| Population | 107,645 |
| Coordinates | 40.0149900, -105.2705500 |
| Altitude | 1624 |
| Country | United States |
#2 Fort Lupton
City in Weld County, Colorado, United States of America
| Population | 8,666 |
| Coordinates | 40.0847100, -104.8130300 |
| Altitude | 1496 |
| Country | United States |
End: Fort Lupton (-104.81303, 40.08471)
Estimated Travel Time
Distance: 46 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 57m |
| 40 mph (64.37 km/h) | 00h 42m |
| 50 mph (80.47 km/h) | 00h 34m |
| 60 mph (96.56 km/h) | 00h 28m |
| 70 mph (112.65 km/h) | 00h 24m |
| 80 mph (129 km/h) | 00h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $3.73 | $7.47 |
| Mid-grade | $4.08 | $4.12 | $8.25 |
| Premium | $4.39 | $4.43 | $8.87 |
| Diesel | $4.74 | $4.78 | $9.57 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Colorado · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.