How far is Longmont, CO from Delta, CO?
The driving distance from Longmont, CO to Delta, CO is about 301.2 miles (484.8 km), with a travel time of about 05h 54m by car.
- The straight-line flight distance is about 186.4 miles (300 km).
- For a round trip, plan for roughly 11h 48m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 05h 54m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Human settlement in Eagle County, Colorado, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Slight Chance Rain Showers
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Longmont and Delta.
Turn-by-Turn Driving Directions
Step-by-step road directions between Longmont and Delta.
-
1
Start on the route
19 m · 10 sec
-
2
Turn left onto 5th Avenue
53 m · 10 sec · 5th Avenue
-
3
Turn left onto Main Street
17.3 mi · 25 min · Main Street
-
4
Continue straight
2797 ft · 1 min
-
5
Turn left onto US 36 East: Denver
1737 ft · 44 sec
-
6
Merge slight left onto Denver–Boulder Turnpike
1.2 mi · 1 min · Denver–Boulder Turnpike
-
7
Keep slight right to continue on Denver–Boulder Turnpike
1.9 mi · 2 min · Denver–Boulder Turnpike
-
8
Keep slight right to continue on Denver–Boulder Turnpike
1.2 km · 53 sec · Denver–Boulder Turnpike
-
9
Take the exit slight right toward CO 95 South: Sheridan Boulevard
1708 ft · 37 sec
-
10
Turn right onto Sheridan Boulevard
4.3 mi · 7 min · Sheridan Boulevard
-
11
Take the ramp slight right toward I 76 West
1712 ft · 44 sec
-
12
Merge slight left onto Heartland Expressway
1.3 mi · 2 min · Heartland Expressway
-
13
Merge slight left
232.9 mi · 4 hr 18 min
-
14
Take the exit slight right toward I 70 Business, US 6, US 50: Clifton, Grand Junction, Delta
1.6 mi · 3 min
-
15
Continue straight
1290 ft · 32 sec
-
16
Turn left onto 32 Road
5.4 mi · 9 min · 32 Road
-
17
At the end of the road, turn left onto United States Highway 50
11.7 mi · 15 min · United States Highway 50
-
18
Continue straight
16.1 mi · 19 min
-
19
Continue straight
4.9 mi · 8 min
-
20
Turn left onto East 3rd Street
604 ft · 19 sec · East 3rd Street
-
21
Turn right
86 m · 21 sec
-
22
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Longmont and Delta.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Heartland Expressway
Merge slight left
233 mi · 04h 18m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Sunny then Slight Chance Rain Showers leaving Longmont and Mostly Cloudy near Delta.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Longmont to Delta?
The road trip is about 301.2 miles (484.8 km) and usually takes 05h 54m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Eagle is a useful midpoint, sitting about 150.5 miles from Longmont and 150.7 miles from Delta.
How much longer is the road route than the straight-line distance?
The direct path is about 186.4 miles (300 km), while the road route adds roughly 114.8 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 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 5:12 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $39.31 one way or $78.62 round trip. Estimated CO2 is about 94.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance Rain Showers around Longmont and Mostly Cloudy near Delta.
Stop Ideas Near Eagle
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Eagle.
Vail, Colorado
Glenwood Springs
Frisco, Colorado
Fairplay, CO
Flight Path Map
This map shows the direct air route between Longmont and Delta. Straight-line distance: 186.39 mi (299.97 km).
#1 Longmont
The most populous city in Boulder County, Colorado.
| Population | 98,445 |
| Coordinates | 40.1672100, -105.1019300 |
| Altitude | 1519 |
| Country | United States |
#2 Delta
City in Colorado
| Population | 9,030 |
| Coordinates | 38.7422100, -108.0689600 |
| Altitude | 1511 |
| Country | United States |
End: Delta (-108.06896, 38.74221)
Estimated Travel Time
Distance: 485 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 02m |
| 40 mph (64.37 km/h) | 07h 31m |
| 50 mph (80.47 km/h) | 06h 01m |
| 60 mph (96.56 km/h) | 05h 01m |
| 70 mph (112.65 km/h) | 04h 18m |
| 80 mph (129 km/h) | 03h 45m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $39.31 | $78.62 |
| Mid-grade | $4.08 | $43.41 | $86.83 |
| Premium | $4.39 | $46.68 | $93.35 |
| Diesel | $4.74 | $50.35 | $100.71 |
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 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.