How far is Parker, CO from Longmont, CO?
The driving distance from Parker, CO to Longmont, CO is about 63 miles (101.4 km), with a travel time of about 01h 00m by car.
- The straight-line flight distance is about 48.3 miles (77.8 km).
- For a round trip, plan for roughly 02h 01m 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 01h 00m.
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.
A city in Adams County, Colorado.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Parker and Longmont.
Turn-by-Turn Driving Directions
Step-by-step road directions between Parker and Longmont.
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1
Start on South Pikes Peak Drive
30 m · 8 sec · South Pikes Peak Drive
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2
Turn right onto East Mainstreet
821 ft · 30 sec · East Mainstreet
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3
Turn right onto South Parker Road
2.3 mi · 4 min · South Parker Road
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4
Take the exit slight right toward E470 Toll, I 70: Limon, Denver International Airport
2929 ft · 33 sec
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5
Merge slight left onto E-470
40.1 mi · 40 min · E-470
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6
Take the exit slight right toward I 25: Denver, Fort Collins
1652 ft · 28 sec
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7
Keep slight right to continue on I 25 North: Fort Collins
2582 ft · 50 sec
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8
Merge slight left onto Dwight D. Eisenhower Highway
11.8 mi · 12 min · Dwight D. Eisenhower Highway
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9
Take the exit slight right toward CO 119 West: Firestone Boulevard
996 ft · 19 sec
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10
Keep slight left to continue on CO 119 West: Longmont
88 m · 8 sec
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11
Turn left onto Highway 119
3.1 mi · 4 min · Highway 119
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12
Continue on East Ken Pratt Boulevard
1.6 mi · 2 min · East Ken Pratt Boulevard
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13
Take the exit slight right
69 m · 7 sec
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14
Turn right onto East 3rd Avenue
1.9 mi · 4 min · East 3rd Avenue
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15
Turn right onto Kimbark Street
1084 ft · 55 sec · Kimbark Street
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16
Turn left
57 m · 16 sec
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17
Turn right
33 m · 8 sec
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18
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Parker and Longmont.
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.
E-470
Merge slight left onto E-470
40.1 mi · 00h 40m
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 leaving Parker and Sunny near Longmont.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Parker to Longmont?
The road trip is about 63 miles (101.4 km) and usually takes 01h 00m 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?
Brighton is a useful midpoint, sitting about 31.4 miles from Parker and 31.6 miles from Longmont.
How much longer is the road route than the straight-line distance?
The direct path is about 48.3 miles (77.8 km), while the road route adds roughly 14.7 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 4:28 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.21 one way or $16.42 round trip. Estimated CO2 is about 19.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Parker and Sunny near Longmont.
Stop Ideas Near Brighton
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Fairplay Park
Westminster City Clerk
Town Hall
Municipal Court Park
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Brighton.
Denver (Bus Station), Colorado
Union Station
Longmont, Colorado
Boulder, Colorado
Flight Path Map
This map shows the direct air route between Parker and Longmont. Straight-line distance: 48.32 mi (77.76 km).
#1 Parker
The most populous city in Douglas County, Colorado.
| Population | 58,673 |
| Coordinates | 39.5186000, -104.7613600 |
| Altitude | 1789 |
| Country | United States |
#2 Longmont
The most populous city in Boulder County, Colorado.
| Population | 98,445 |
| Coordinates | 40.1672100, -105.1019300 |
| Altitude | 1519 |
| Country | United States |
End: (-105.101861, 40.16721)
Estimated Travel Time
Distance: 101 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 05m |
| 40 mph (64.37 km/h) | 01h 34m |
| 50 mph (80.47 km/h) | 01h 15m |
| 60 mph (96.56 km/h) | 01h 03m |
| 70 mph (112.65 km/h) | 00h 54m |
| 80 mph (129 km/h) | 00h 47m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $8.21 | $16.42 |
| Mid-grade | $4.08 | $9.07 | $18.13 |
| Premium | $4.39 | $9.75 | $19.50 |
| Diesel | $4.74 | $10.52 | $21.03 |
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.