How far is Superior, CO from Longmont, CO?

The driving distance from Superior, CO to Longmont, CO is about 20.6 miles (33.2 km), with a travel time of about 00h 29m by car.

  • The straight-line flight distance is about 15.2 miles (24.5 km).
  • For a round trip, plan for roughly 00h 59m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM MDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
20.66 mi
00h 29m
Flight
15.23 mi
24.51 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Superior.

Flight Distance

Direct air line
15.23 mi
Kilometers
24.51 km
Flight Time
00h 01m

Driving Distance

Road route
20.66 mi
Kilometers
33.25 km
Drive Time
00h 29m

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 29m.

Arrival Snapshot
Arrive in Longmont
Wed, Apr 22, 8:42 PM MDT
Return by in Superior
Wed, Apr 22, 9:12 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Superior
2026-04-22T20:12
Arrive Longmont
Wed, Apr 22, 8:42 PM MDT
Route Timing
00h 29m
One way by road
Best Departure Window
7:00 AM to 7:00 PM MDT
Leave when it suits your day
Arrive between
7:30 AM to 7:30 PM MDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:30 PM MDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Superior
10:00 PM MDT
Flexible departure

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.

Mid-route stop
Lafayette
CO

City in Colorado

From Superior
9.5 mi
00h 14m
To Longmont
11.1 mi
00h 14m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
79°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM MDT
Wind
8 to 22 mph SSW
Destination
82°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM MDT
Wind
6 to 20 mph SSW

Driving Route Map

The map below follows the saved road route between Superior and Longmont.

Turn-by-Turn Driving Directions

Step-by-step road directions between Superior and Longmont.

  1. 1

    Start on the route

    43 m · 16 sec

  2. 2

    Turn left onto 2nd Avenue

    961 ft · 45 sec · 2nd Avenue

  3. 3

    At the end of the road, turn right onto Marshall Road

    644 ft · 18 sec · Marshall Road

  4. 4

    Turn left onto McCaslin Boulevard

    112 m · 24 sec · McCaslin Boulevard

  5. 5

    Continue on McCaslin Boulevard

    1733 ft · 47 sec · McCaslin Boulevard

  6. 6

    Turn right onto West Dillon Road

    2.1 mi · 4 min · West Dillon Road

  7. 7

    Turn left onto South 96th Street

    1 mi · 2 min · South 96th Street

  8. 8

    Continue on Courtesy Road

    2 mi · 3 min · Courtesy Road

  9. 9

    Continue on North 95th Street

    1 mi · 2 min · North 95th Street

  10. 10

    Turn right onto Arapahoe Road

    1.5 mi · 2 min · Arapahoe Road

  11. 11

    Turn left

    10.5 mi · 15 min

  12. 12

    Turn right onto 5th Avenue

    109 m · 20 sec · 5th Avenue

  13. 13

    Turn right onto Kimbark Street

    52 m · 9 sec · Kimbark Street

  14. 14

    Turn right

    57 m · 16 sec

  15. 15

    Turn right

    33 m · 8 sec

  16. 16

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Superior and Longmont.

OSRM road route
Drive Character

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.

Directions
16 steps
11 turns on the saved route
Ramps & Exits
0
0 merges, 0 ramps or exits
Navigation Density
77.3 / 100 mi
Decision points by distance
Main Roads
West Dillon Road
2.13 mi · 10%
Courtesy Road
1.96 mi · 9%
Arapahoe Road
1.5 mi · 7%
South 96th Street
1.03 mi · 5%
North 95th Street
1.01 mi · 5%
McCaslin Boulevard
0.4 mi · 2%
Longest Stretch

Longest stretch

Turn left

10.5 mi · 00h 15m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
00h 29m
Quick drive
Same-Day Return
01h 00m
Round-trip wheel time
Road vs Air
+5.4 mi
15.2 mi direct line
Halfway Stop
Lafayette
00h 14m from Superior
Leave By
7:30 PM MDT
Flexible departure
Weather Watch

Mostly Sunny leaving Superior and Sunny near Longmont.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Superior to Longmont?

The road trip is about 20.6 miles (33.2 km) and usually takes 00h 29m 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 9.5 miles from Superior and 11.1 miles from Longmont.

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 5.4 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 7:30 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $2.70 one way or $5.40 round trip. Estimated CO2 is about 6.5 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Superior and Sunny near Longmont.

Stop Ideas Near Lafayette

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Lafayette and the surrounding midpoint area.
Municipal Court Park
Scenic stop 14.2 mi away

Municipal Court Park

Westminster , CO
3025 W 76th Ave, Westminster, CO 80030
Rating 3.8/5 94 reviews Park
Broomfield City Council
Meeting point 7.9 mi away

Broomfield City Council

Broomfield , CO
1 Descombes Dr, Broomfield, CO 80020
Rating 3.9/5 63 reviews City government office
Lafayette City Hall
Nearby stop 3.1 mi away

Lafayette City Hall

Lafayette , CO
1290 S Public Rd, Lafayette, CO 80026
Rating 5.0/5 2 reviews City administration
Old Town Hall
Scenic stop 9.7 mi away

Old Town Hall

Frederick , CO
105 Fifth St, Frederick, CO 80530
Rating 4.0/5 2 reviews Historical landmark,History museum

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Lafayette.

BUS

Boulder, Colorado

18 mi away
30th & Diagonal Highway
BUS

Longmont, Colorado

20 mi away
623 Main St.
BUS

Denver (Bus Station), Colorado

28 mi away
1055 19th Street
RAIL

Union Station

28 mi away
1701 Wynkoop Street

Flight Path Map

This map shows the direct air route between Superior and Longmont. Straight-line distance: 15.23 mi (24.51 km).

Superior

#1 Superior

Statutory Town in Boulder and Jefferson counties in the U.

Population13,413
Coordinates39.9527600, -105.1686000
Altitude1675
CountryUnited States
Longmont

#2 Longmont

The most populous city in Boulder County, Colorado.

Population98,445
Coordinates40.1672100, -105.1019300
Altitude1519
CountryUnited States
Start: (-105.168599, 39.952577)
End: (-105.101861, 40.16721)

Estimated Travel Time

Distance: 33 km by road

SpeedTime
30 mph (48.3 km/h)00h 41m
40 mph (64.37 km/h)00h 30m
50 mph (80.47 km/h)00h 24m
60 mph (96.56 km/h)00h 20m
70 mph (112.65 km/h)00h 17m
80 mph (129 km/h)00h 15m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.73 gal
2.76 L · about $2.70
Round trip
$5.40
1.46 gal · 5.52 L
Estimated CO2
6.5 kg one way
Round trip: 13 kg / 29 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.70 $2.70 $5.40
Mid-grade $4.08 $2.98 $5.96
Premium $4.39 $3.21 $6.41
Diesel $4.74 $3.46 $6.92

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

There is no time difference between Superior and Longmont. The current time is 20:12:36.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.