How far is Chicago, IL from Boulder, CO?

The driving distance from Chicago, IL to Boulder, CO is about 1018.7 miles (1639.5 km), with a travel time of about 18h 05m by car.

  • The straight-line flight distance is about 926.8 miles (1491.5 km).
  • For a round trip, plan for roughly 36h 10m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM CST.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
1018.71 mi
18h 05m
Flight
926.79 mi
1491.52 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Chicago.

Flight Distance

Direct air line
926.79 mi
Kilometers
1491.52 km
Flight Time
01h 51m

Driving Distance

Road route
1018.71 mi
Kilometers
1639.45 km
Drive Time
18h 05m

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 18h 05m.

Arrival Snapshot
Arrive in Boulder
Mon, Nov 2, 10:09 PM MST
Return by in Chicago
Tue, Nov 3, 5:14 PM CST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Chicago
2026-11-02T05:04
Arrive Boulder
Mon, Nov 2, 11:09 PM CST
Route Timing
18h 05m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CST
Treat this as a longer travel day
Arrive between
11:05 PM to 12:35 AM MST

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
12:50 AM CDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Chicago
8:00 PM CST
Overnight-style route

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
Waverly
NE

City in Lancaster County, Nebraska, United States of America

From Chicago
508.3 mi
09h 02m
To Boulder
510.4 mi
09h 02m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
66°F
Monday

Mostly Cloudy then Slight Chance Rain Showers

Starts
Mon, Nov 2 6:00 AM CST
Wind
5 to 15 mph SSE
Destination
49°F
Monday

Chance Light Rain

Starts
Mon, Nov 2 6:00 AM MST
Wind
5 to 9 mph NW

Driving Route Map

The map below follows the saved road route between Chicago and Boulder.

Turn-by-Turn Driving Directions

Step-by-step road directions between Chicago and Boulder.

  1. 1

    Start on the route

    943 ft · 1 min

  2. 2

    At the end of the road, turn left onto West Cermak Road

    1.3 km · 2 min · West Cermak Road

  3. 3

    Turn right onto South Ashland Avenue

    1.7 mi · 3 min · South Ashland Avenue

  4. 4

    Turn left onto West Van Buren Street

    900 ft · 29 sec · West Van Buren Street

  5. 5

    Take the ramp slight left toward I 290 West

    650 ft · 16 sec

  6. 6

    Merge slight left onto Eisenhower Expressway

    12.1 mi · 16 min · Eisenhower Expressway

  7. 7

    Keep slight left to continue on Ronald Reagan Memorial Tollway

    1.9 mi · 2 min · Ronald Reagan Memorial Tollway

  8. 8

    Keep slight right to continue on Ronald Reagan Memorial Tollway

    25.1 mi · 30 min · Ronald Reagan Memorial Tollway

  9. 9

    Keep slight left to continue on Ronald Reagan Memorial Tollway

    69.5 mi · 1 hr 14 min · Ronald Reagan Memorial Tollway

  10. 10

    Continue on Ronald Reagan Memorial Highway

    1.1 mi · 1 min · Ronald Reagan Memorial Highway

  11. 11

    Continue on Ronald Reagan Memorial Highway

    37.8 mi · 40 min · Ronald Reagan Memorial Highway

  12. 12

    Continue on Chicago-Kansas City Expressway

    4.6 mi · 5 min · Chicago-Kansas City Expressway

  13. 13

    Take the exit slight right toward I 80: Des Moines

    1949 ft · 48 sec

  14. 14

    Keep slight right

    1.1 km · 1 min

  15. 15

    Merge slight left

    185.9 mi · 3 hr 23 min

  16. 16

    Keep slight right to continue on I 80 West: Omaha

    95.5 mi · 1 hr 43 min

  17. 17

    Keep slight left to continue on I 80 West: Council Bluffs, Omaha Nebraska

    23.7 mi · 26 min

  18. 18

    Keep slight left to continue on I 80 West Express: Council Bluffs, Omaha

    355.4 mi · 6 hr 3 min

  19. 19

    Keep slight right to continue on I 76 West: Denver

    167.8 mi · 2 hr 48 min

  20. 20

    Take the exit slight right toward 136th Avenue

    2055 ft · 36 sec

  21. 21

    Turn right onto East 136th Avenue

    1240 ft · 32 sec · East 136th Avenue

  22. 22

    Turn left onto Buckley Road

    2 mi · 4 min · Buckley Road

  23. 23

    Turn left onto East 120th Avenue

    2578 ft · 1 min · East 120th Avenue

  24. 24

    Turn left onto E 470 Toll North

    1885 ft · 48 sec

  25. 25

    Merge slight left onto E-470

    12.6 mi · 13 min · E-470

  26. 26

    Continue on Northwest Parkway

    8.3 mi · 9 min · Northwest Parkway

  27. 27

    Take the exit slight right toward US 36 West: Boulder

    1651 ft · 42 sec

  28. 28

    Merge slight left onto Denver–Boulder Turnpike

    1.4 mi · 2 min · Denver–Boulder Turnpike

  29. 29

    Keep slight right to continue on Denver–Boulder Turnpike

    2.4 mi · 3 min · Denver–Boulder Turnpike

  30. 30

    Keep slight right to continue on Denver–Boulder Turnpike

    2.2 mi · 3 min · Denver–Boulder Turnpike

  31. 31

    Keep slight left to continue on Denver–Boulder Turnpike

    2.3 mi · 3 min · Denver–Boulder Turnpike

  32. 32

    Continue on 28th Street

    1.2 km · 2 min · 28th Street

  33. 33

    Turn left onto Arapahoe Avenue

    1 km · 2 min · Arapahoe Avenue

  34. 34

    Turn right onto 19th Street

    44 m · 11 sec · 19th Street

  35. 35

    Turn left

    27 m · 5 sec

  36. 36

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Chicago and Boulder.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
36 steps
14 turns on the saved route
Ramps & Exits
8
4 merges, 4 ramps or exits
Navigation Density
3.5 / 100 mi
Decision points by distance
Main Roads
I 80 West Express
355 mi · 35%
I 80
187 mi · 18%
I 76 West
168 mi · 16%
I 80 West
119 mi · 12%
Ronald Reagan Memorial Tollway
96.4 mi · 9%
Ronald Reagan Memorial Highway
38.9 mi · 4%
Longest Stretch

I 80 West Express

Keep slight left to continue on I 80 West Express: Council Bluffs, Omaha

355 mi · 06h 03m

Route Summary

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

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
18h 05m
Overnight route
Same-Day Return
36h 10m
Round-trip wheel time
Road vs Air
+91.9 mi
926.8 mi direct line
Halfway Stop
Waverly
09h 02m from Chicago
Leave By
12:50 AM CDT
Overnight-style route
Weather Watch

Mostly Cloudy then Slight Chance Rain Showers leaving Chicago and Chance Light Rain near Boulder.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Chicago to Boulder?

The road trip is about 1018.7 miles (1639.5 km) and usually takes 18h 05m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Waverly is a useful midpoint, sitting about 508.3 miles from Chicago and 510.4 miles from Boulder.

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

The direct path is about 926.8 miles (1491.5 km), while the road route adds roughly 91.9 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 7:30 AM CST. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $170.37 one way or $340.73 round trip. Estimated CO2 is about 319.5 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Chicago and Boulder, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Mostly Cloudy then Slight Chance Rain Showers around Chicago and Chance Light Rain near Boulder.

Stop Ideas Near Waverly

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

Mid-route Guidance
Local place coverage is thin around Waverly, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

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

RAIL

Lincoln

19 mi away
201 North 7th St.
RAIL

Omaha

62 mi away
1003 S. 9th Street

Flight Path Map

This map shows the direct air route between Chicago and Boulder. Straight-line distance: 926.79 mi (1491.52 km).

Chicago

#1 Chicago

The third most populous city in the United States and the center of the Chicago metropolitan area.

Population2,677,643
Coordinates41.850033, -87.6500523
Altitude179
CountryUnited States
Boulder

#2 Boulder

The most populous city in Boulder County, Colorado.

Population107,645
Coordinates40.0149900, -105.2705500
Altitude1624
CountryUnited States
Start: Chicago (-87.650052, 41.850033)
End: Boulder (-105.27055, 40.01499)

Estimated Travel Time

Distance: 1639 km by road

SpeedTime
30 mph (48.3 km/h)33h 56m
40 mph (64.37 km/h)25h 28m
50 mph (80.47 km/h)20h 22m
60 mph (96.56 km/h)16h 58m
70 mph (112.65 km/h)14h 33m
80 mph (129 km/h)12h 42m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
35.95 gal
136.07 L · about $170.37
Round trip
$340.73
71.9 gal · 272.14 L
Estimated CO2
319.5 kg one way
Round trip: 639 kg / 1409 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.74 $170.37 $340.73
Mid-grade $5.36 $192.80 $385.60
Premium $5.92 $212.75 $425.50
Diesel $6.64 $238.74 $477.49

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 Illinois · Nov 01, 2026

Please keep in mind that there is a 1 hour time gap between Chicago, IL and Boulder, CO. The current time in Chicago is 05:04:08, although it is 04:04:08 in Boulder.

Distance to Other Cities

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