How far is Longmont, CO from Superior, CO?
The driving distance from Longmont, CO to Superior, CO is about 18.6 miles (29.9 km), with a travel time of about 00h 30m by car.
- The straight-line flight distance is about 15.2 miles (24.5 km).
- For a round trip, plan for roughly 01h 01m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM MDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 30m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
City in Colorado
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Slight Chance Rain Showers
Mostly Sunny then Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Longmont and Superior.
Turn-by-Turn Driving Directions
Step-by-step road directions between Longmont and Superior.
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1
Start on the route
19 m · 10 sec
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2
Turn left onto 5th Avenue
53 m · 10 sec · 5th Avenue
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3
Turn left onto Main Street
10.5 mi · 15 min · Main Street
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4
Turn right onto Arapahoe Road
1.5 mi · 2 min · Arapahoe Road
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5
Turn left onto North 95th Street
1.6 km · 2 min · North 95th Street
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6
Continue on Courtesy Road
1.5 km · 2 min · Courtesy Road
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7
Turn right onto East South Boulder Road
1.9 mi · 4 min · East South Boulder Road
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8
Turn left onto McCaslin Boulevard
1 mi · 2 min · McCaslin Boulevard
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9
Continue on South McCaslin Boulevard
1.3 mi · 3 min · South McCaslin Boulevard
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10
Turn right onto East Coal Creek Drive
678 ft · 35 sec · East Coal Creek Drive
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11
Turn left onto 2nd Avenue
539 ft · 26 sec · 2nd Avenue
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12
Turn right
43 m · 10 sec
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13
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Longmont and Superior.
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.
Main Street
Turn left onto Main Street
10.5 mi · 00h 15m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Sunny then Slight Chance Rain Showers leaving Longmont and Mostly Sunny then Slight Chance Rain Showers near Superior.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Longmont to Superior?
The road trip is about 18.6 miles (29.9 km) and usually takes 00h 30m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Lafayette is a useful midpoint, sitting about 9.3 miles from Longmont and 9.3 miles from Superior.
How much longer is the road route than the straight-line distance?
The direct path is about 15.2 miles (24.5 km), while the road route adds roughly 3.4 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 7:00 AM to 7:00 PM MDT. If you want a more comfortable same-day return, try to leave by 7:28 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.44 one way or $4.88 round trip. Estimated CO2 is about 5.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance Rain Showers around Longmont and Mostly Sunny then Slight Chance Rain Showers near Superior.
Stop Ideas Near Lafayette
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Municipal Court Park
Broomfield City Council
Lafayette City Hall
Old Town Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Lafayette.
Boulder, Colorado
Longmont, Colorado
Denver (Bus Station), Colorado
Union Station
Flight Path Map
This map shows the direct air route between Longmont and Superior. Straight-line distance: 15.23 mi (24.51 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 Superior
Statutory Town in Boulder and Jefferson counties in the U.
| Population | 13,413 |
| Coordinates | 39.9527600, -105.1686000 |
| Altitude | 1675 |
| Country | United States |
End: Superior (-105.1686, 39.95276)
Estimated Travel Time
Distance: 30 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 37m |
| 40 mph (64.37 km/h) | 00h 27m |
| 50 mph (80.47 km/h) | 00h 22m |
| 60 mph (96.56 km/h) | 00h 18m |
| 70 mph (112.65 km/h) | 00h 15m |
| 80 mph (129 km/h) | 00h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $2.44 | $4.88 |
| Mid-grade | $4.08 | $2.70 | $5.39 |
| Premium | $4.39 | $2.90 | $5.80 |
| Diesel | $4.74 | $3.13 | $6.25 |
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.