How far is Greeley, CO from Niwot, CO?

The driving distance from Greeley, CO to Niwot, CO is about 45.4 miles (73 km), with a travel time of about 01h 01m by car.

  • The straight-line flight distance is about 32.9 miles (52.9 km).
  • For a round trip, plan for roughly 02h 03m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
45.37 mi
01h 01m
Flight
32.86 mi
52.88 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Greeley.

Flight Distance

Direct air line
32.86 mi
Kilometers
52.88 km
Flight Time
00h 03m

Driving Distance

Road route
45.37 mi
Kilometers
73.01 km
Drive Time
01h 01m

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 01m.

Arrival Snapshot
Arrive in Niwot
Thu, Apr 23, 12:23 AM MDT
Return by in Greeley
Thu, Apr 23, 1:24 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Greeley
2026-04-22T23:21
Arrive Niwot
Thu, Apr 23, 12:23 AM MDT
Route Timing
01h 01m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
9:02 AM to 11:02 AM MDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:26 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Greeley
9:30 PM MDT
Morning start is best

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
Johnstown
CO

Municipality in Colorado, USA

From Greeley
22.7 mi
00h 30m
To Niwot
22.7 mi
00h 30m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
83°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM MDT
Wind
6 to 24 mph SW
Destination
81°F
Wednesday

Mostly Sunny

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

Driving Route Map

The map below follows the saved road route between Greeley and Niwot.

Turn-by-Turn Driving Directions

Step-by-step road directions between Greeley and Niwot.

  1. 1

    Start on 19th Avenue

    80 m · 19 sec · 19th Avenue

  2. 2

    Turn left onto 9th Street

    1947 ft · 38 sec · 9th Street

  3. 3

    Continue on 10th Street

    9 mi · 15 min · 10th Street

  4. 4

    Merge slight left onto Highway 34

    5 mi · 8 min · Highway 34

  5. 5

    Continue on East Eisenhower Boulevard

    1 mi · 2 min · East Eisenhower Boulevard

  6. 6

    Take the exit slight right toward I 25 South: Denver

    1453 ft · 36 sec

  7. 7

    Merge slight left onto Dwight D. Eisenhower Highway

    16.7 mi · 17 min · Dwight D. Eisenhower Highway

  8. 8

    Take the exit slight right toward CO 119 West

    1528 ft · 29 sec

  9. 9

    Turn right onto Highway 119

    3 mi · 4 min · Highway 119

  10. 10

    Continue on East Ken Pratt Boulevard

    5.4 mi · 8 min · East Ken Pratt Boulevard

  11. 11

    Continue on Diagonal Highway

    3.8 mi · 5 min · Diagonal Highway

  12. 12

    Turn sharp left onto Niwot Road

    1300 ft · 37 sec · Niwot Road

  13. 13

    Turn left onto Franklin Street

    1072 ft · 47 sec · Franklin Street

  14. 14

    Arrive at your destination

    0 m · 1 sec · Franklin Street

Car Route Details

A richer read on the saved driving route between Greeley and Niwot.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
14 steps
4 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
30.8 / 100 mi
Decision points by distance
Main Roads
Dwight D. Eisenhower Highway
16.7 mi · 37%
10th Street
8.96 mi · 20%
East Ken Pratt Boulevard
5.44 mi · 12%
Highway 34
4.96 mi · 11%
Diagonal Highway
3.78 mi · 8%
Highway 119
3.03 mi · 7%
Longest Stretch

Dwight D. Eisenhower Highway

Merge slight left onto Dwight D. Eisenhower Highway

16.7 mi · 00h 17m

Route Summary

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

Trip Read

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.

Drive Time
01h 01m
Day trip friendly
Same-Day Return
02h 04m
Round-trip wheel time
Road vs Air
+12.5 mi
32.9 mi direct line
Halfway Stop
Johnstown
00h 30m from Greeley
Leave By
4:26 PM MDT
Morning start is best
Weather Watch

Mostly Sunny leaving Greeley and Mostly Sunny near Niwot.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Greeley to Niwot?

The road trip is about 45.4 miles (73 km) and usually takes 01h 01m 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?

Johnstown is a useful midpoint, sitting about 22.7 miles from Greeley and 22.7 miles from Niwot.

How much longer is the road route than the straight-line distance?

The direct path is about 32.9 miles (52.9 km), while the road route adds roughly 12.5 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 4:26 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $5.92 one way or $11.83 round trip. Estimated CO2 is about 14.2 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Greeley and Mostly Sunny near Niwot.

Stop Ideas Near Johnstown

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 Johnstown and the surrounding midpoint area.
Old Town Hall
Scenic stop 14.4 mi away

Old Town Hall

Frederick , CO
105 Fifth St, Frederick, CO 80530
Rating 4.0/5 2 reviews Historical landmark,History museum
Town of Frederick
Meeting point 14.4 mi away

Town of Frederick

Frederick , CO
401 Locust St, Frederick, CO 80530
Rating 3.8/5 12 reviews City government office,City Hall

Transit and Meeting Points

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

BUS

Longmont, Colorado

25 mi away
623 Main St.
BUS

Fort Collins, Colorado

30 mi away
250 North Mason St.
BUS

Boulder, Colorado

44 mi away
30th & Diagonal Highway
RAIL

Union Station

65 mi away
1701 Wynkoop Street

Flight Path Map

This map shows the direct air route between Greeley and Niwot. Straight-line distance: 32.86 mi (52.88 km).

Greeley

#1 Greeley

The third most populous city in Weld County, Colorado.

Population108,958
Coordinates40.4233100, -104.7091300
Altitude1425
CountryUnited States
Niwot

#2 Niwot

Census designated place

Population4,006
Coordinates40.1038700, -105.1708200
Altitude1553
CountryUnited States
Start: Greeley (-104.70913, 40.42331)
End: Niwot (-105.17082, 40.10387)

Estimated Travel Time

Distance: 73 km by road

SpeedTime
30 mph (48.3 km/h)01h 30m
40 mph (64.37 km/h)01h 08m
50 mph (80.47 km/h)00h 54m
60 mph (96.56 km/h)00h 45m
70 mph (112.65 km/h)00h 38m
80 mph (129 km/h)00h 33m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.6 gal
6.06 L · about $5.92
Round trip
$11.83
3.2 gal · 12.12 L
Estimated CO2
14.2 kg one way
Round trip: 28.4 kg / 63 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.70 $5.92 $11.83
Mid-grade $4.08 $6.53 $13.07
Premium $4.39 $7.03 $14.05
Diesel $4.74 $7.58 $15.16

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 Greeley and Niwot. The current time is 23:21:32.

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.