How far is Aurora, CO from Milliken, CO?
The driving distance from Aurora, CO to Milliken, CO is about 54.6 miles (87.8 km), with a travel time of about 01h 09m by car.
- The straight-line flight distance is about 41.4 miles (66.7 km).
- For a round trip, plan for roughly 02h 19m 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 09m.
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.
Town in Boulder County, Colorado, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Aurora and Milliken.
Turn-by-Turn Driving Directions
Step-by-step road directions between Aurora and Milliken.
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1
Start on North Vaughn Street
24 m · 6 sec · North Vaughn Street
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2
Turn right onto Toledo Street
1120 ft · 49 sec · Toledo Street
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3
Turn slight right onto East 10th Avenue
78 m · 16 sec · East 10th Avenue
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4
Turn left onto North Potomac Street
3014 ft · 1 min · North Potomac Street
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5
Continue on North Fitzsimons Parkway
1624 ft · 41 sec · North Fitzsimons Parkway
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6
Turn right onto East 17th Place
998 ft · 29 sec · East 17th Place
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7
Take the ramp left toward I 225 North
2044 ft · 52 sec
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8
Merge slight left
1.1 mi · 1 min
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9
Keep slight left to continue on I 70 West: Denver
1.2 km · 1 min
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10
Keep slight left to continue on I 70 West: Denver
1917 ft · 47 sec
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11
Merge slight left onto Tuskegee Airmen Memorial Highway
2.1 mi · 3 min · Tuskegee Airmen Memorial Highway
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12
Keep slight right to continue on Dwight D. Eisenhower Highway
6.6 mi · 9 min · Dwight D. Eisenhower Highway
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13
Take the exit slight right toward I 25 North: Fort Collins
1690 ft · 41 sec
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14
Merge slight left onto North Valley Highway
1.3 km · 1 min · North Valley Highway
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15
Keep slight right to continue on North Valley Highway
4.3 mi · 6 min · North Valley Highway
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16
Keep slight right to continue on North Valley Highway
5.3 mi · 6 min · North Valley Highway
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17
Continue on Dwight D. Eisenhower Highway
24.2 mi · 24 min · Dwight D. Eisenhower Highway
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18
Take the exit slight right toward CO 60 East: Johnstown, Milliken
1697 ft · 41 sec
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19
Keep slight right
84 m · 7 sec
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20
Turn straight onto West South 1st Street
6.5 mi · 11 min · West South 1st Street
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21
Turn right onto South Grace Avenue
46 m · 14 sec · South Grace Avenue
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22
Turn left
52 m · 15 sec
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23
Turn right
33 m · 8 sec
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24
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Aurora and Milliken.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Dwight D. Eisenhower Highway
Continue on Dwight D. Eisenhower Highway
24.2 mi · 00h 24m
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 Aurora and Mostly Sunny near Milliken.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Aurora to Milliken?
The road trip is about 54.6 miles (87.8 km) and usually takes 01h 09m 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?
Erie is a useful midpoint, sitting about 27.3 miles from Aurora and 27.3 miles from Milliken.
How much longer is the road route than the straight-line distance?
The direct path is about 41.4 miles (66.7 km), while the road route adds roughly 13.2 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 4:10 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.14 one way or $14.27 round trip. Estimated CO2 is about 17.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Aurora and Mostly Sunny near Milliken.
Stop Ideas Near Erie
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Municipal Court Park
Broomfield City Council
Lafayette City Hall
Historic Brighton City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Erie.
Longmont, Colorado
Boulder, Colorado
Union Station
Denver (Bus Station), Colorado
Flight Path Map
This map shows the direct air route between Aurora and Milliken. Straight-line distance: 41.48 mi (66.75 km).
#1 Aurora
The third most populous city in Colorado and the center of the Denver metropolitan area.
| Population | 387,377 |
| Coordinates | 39.7294300, -104.8319200 |
| Altitude | 1648 |
| Country | United States |
#2 Milliken
City in Weld County, Colorado, United States of America
| Population | 8,688 |
| Coordinates | 40.3294300, -104.8552500 |
| Altitude | 1448 |
| Country | United States |
End: Milliken (-104.85525, 40.32943)
Estimated Travel Time
Distance: 88 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 49m |
| 40 mph (64.37 km/h) | 01h 21m |
| 50 mph (80.47 km/h) | 01h 05m |
| 60 mph (96.56 km/h) | 00h 54m |
| 70 mph (112.65 km/h) | 00h 46m |
| 80 mph (129 km/h) | 00h 40m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $7.14 | $14.27 |
| Mid-grade | $4.08 | $7.88 | $15.76 |
| Premium | $4.39 | $8.47 | $16.95 |
| Diesel | $4.74 | $9.14 | $18.28 |
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.