How far is Boulder, CO from Chicago, IL?

The driving distance from Boulder, CO to Chicago, IL is about 1020.2 miles (1641.9 km), with a travel time of about 18h 04m by car.

  • The straight-line flight distance is about 926.8 miles (1491.5 km).
  • For a round trip, plan for roughly 36h 09m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM MST.
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
1020.23 mi
18h 04m
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 Boulder.

Flight Distance

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

Driving Distance

Road route
1020.23 mi
Kilometers
1641.9 km
Drive Time
18h 04m

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 04m.

Arrival Snapshot
Arrive in Chicago
Mon, Nov 2, 9:50 PM CST
Return by in Boulder
Tue, Nov 3, 2:54 PM MST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Boulder
2026-11-02T02:45
Arrive Chicago
Mon, Nov 2, 8:50 PM MST
Route Timing
18h 04m
One way by road
Best Departure Window
6:00 AM to 7:30 AM MST
Treat this as a longer travel day
Arrive between
1:05 AM to 2:35 AM CST

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 MDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Boulder
8:00 PM MST
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 Boulder
509.1 mi
09h 02m
To Chicago
511.1 mi
09h 02m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
49°F
Monday

Chance Light Rain

Starts
Mon, Nov 2 6:00 AM MST
Wind
5 to 9 mph NW
Destination
66°F
Monday

Mostly Cloudy then Slight Chance Rain Showers

Starts
Mon, Nov 2 6:00 AM CST
Wind
5 to 15 mph SSE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on the route

    27 m · 7 sec

  2. 2

    Turn right onto 19th Street

    44 m · 14 sec · 19th Street

  3. 3

    Turn left onto Arapahoe Avenue

    3210 ft · 2 min · Arapahoe Avenue

  4. 4

    Turn right onto 28th Street

    1.2 km · 2 min · 28th Street

  5. 5

    Turn straight onto Denver–Boulder Turnpike

    3.4 mi · 4 min · Denver–Boulder Turnpike

  6. 6

    Keep slight right to continue on Denver–Boulder Turnpike

    1.7 mi · 2 min · Denver–Boulder Turnpike

  7. 7

    Keep slight right to continue on Denver–Boulder Turnpike

    2.6 mi · 3 min · Denver–Boulder Turnpike

  8. 8

    Keep slight right to continue on Denver–Boulder Turnpike

    3170 ft · 42 sec · Denver–Boulder Turnpike

  9. 9

    Take the exit slight right toward Northwest Parkway, Interlocken Loop

    1460 ft · 29 sec

  10. 10

    Keep slight left to continue on Northwest Parkway, RTD Park-n-Ride, Louisville

    67 m · 8 sec

  11. 11

    Turn left onto Interlocken Loop

    650 ft · 24 sec · Interlocken Loop

  12. 12

    Continue on Northwest Parkway

    9.5 mi · 10 min · Northwest Parkway

  13. 13

    Continue on E-470

    11.3 mi · 11 min · E-470

  14. 14

    Take the exit slight right toward 120th Avenue

    2365 ft · 56 sec

  15. 15

    Turn left onto East 120th Avenue

    718 ft · 28 sec · East 120th Avenue

  16. 16

    Turn left onto E 470 Toll North

    1885 ft · 48 sec

  17. 17

    Merge slight left onto E-470

    2403 ft · 27 sec · E-470

  18. 18

    Take the exit slight right toward I 76 East: Fort Morgan

    1.1 mi · 2 min

  19. 19

    Merge slight left onto Heartland Expressway

    168.3 mi · 2 hr 48 min · Heartland Expressway

  20. 20

    Merge slight left

    474.5 mi · 8 hr 11 min

  21. 21

    Keep slight right to continue on I 35, I 80 East: Chicago, Minneapolis, Kansas City

    14.4 mi · 17 min

  22. 22

    Keep slight left

    173.2 mi · 3 hr 9 min

  23. 23

    Take the exit slight right toward I 88 East, IL 92 East: Sterling, Rock Falls

    1895 ft · 54 sec

  24. 24

    Continue straight

    43.8 mi · 47 min

  25. 25

    Continue on Ronald Reagan Memorial Tollway

    91 mi · 1 hr 41 min · Ronald Reagan Memorial Tollway

  26. 26

    Keep slight right to continue on Ronald Reagan Memorial Tollway

    6 mi · 8 min · Ronald Reagan Memorial Tollway

  27. 27

    Merge slight right onto Eisenhower Expressway

    13.2 mi · 18 min · Eisenhower Expressway

  28. 28

    Take the exit slight right toward I 90 East, I 94 East: Indiana, Taylor Street, Roosevelt Road

    616 ft · 15 sec

  29. 29

    Keep slight left to continue on I 90 East, I 94 East: Indiana

    1203 ft · 29 sec

  30. 30

    Merge slight left onto Dan Ryan Expressway

    1.2 km · 1 min · Dan Ryan Expressway

  31. 31

    Take the exit slight right toward 18th Street

    1398 ft · 34 sec

  32. 32

    Turn slight left onto South Union Avenue

    963 ft · 30 sec · South Union Avenue

  33. 33

    Turn right onto South Canalport Avenue

    154 m · 13 sec · South Canalport Avenue

  34. 34

    Turn left onto South Halsted Street

    737 ft · 19 sec · South Halsted Street

  35. 35

    Turn right onto West Cermak Road

    976 ft · 25 sec · West Cermak Road

  36. 36

    Turn left

    46 m · 11 sec

  37. 37

    Turn right

    794 ft · 58 sec

  38. 38

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
38 steps
16 turns on the saved route
Ramps & Exits
11
5 merges, 6 ramps or exits
Navigation Density
3.7 / 100 mi
Decision points by distance
Main Roads
Heartland Expressway
643 mi · 63%
I 35
188 mi · 18%
Ronald Reagan Memorial Tollway
97 mi · 10%
I 88 East
44.2 mi · 4%
Eisenhower Expressway
13.2 mi · 1%
E-470
11.7 mi · 1%
Longest Stretch

Heartland Expressway

Merge slight left

474 mi · 08h 11m

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 04m
Overnight route
Same-Day Return
36h 10m
Round-trip wheel time
Road vs Air
+93.4 mi
926.8 mi direct line
Halfway Stop
Waverly
09h 02m from Boulder
Leave By
12:50 AM MDT
Overnight-style route
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 1020.2 miles (1641.9 km) and usually takes 18h 04m 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 509.1 miles from Boulder and 511.1 miles from Chicago.

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 93.4 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 6:00 AM to 7:30 AM MST. 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 $153.00 one way or $306.00 round trip. Estimated CO2 is about 319.9 kg one way.

Do you cross a time zone on this route?

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

What should you check before leaving?

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

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 Boulder and Chicago. Straight-line distance: 926.79 mi (1491.52 km).

Boulder

#1 Boulder

The most populous city in Boulder County, Colorado.

Population107,645
Coordinates40.0149900, -105.2705500
Altitude1624
CountryUnited States
Chicago

#2 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
Start: Boulder (-105.27055, 40.01499)
End: Chicago (-87.650052, 41.850033)

Estimated Travel Time

Distance: 1642 km by road

SpeedTime
30 mph (48.3 km/h)33h 59m
40 mph (64.37 km/h)25h 30m
50 mph (80.47 km/h)20h 24m
60 mph (96.56 km/h)17h 00m
70 mph (112.65 km/h)14h 34m
80 mph (129 km/h)12h 43m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
36 gal
136.28 L · about $153.00
Round trip
$306.00
72 gal · 272.56 L
Estimated CO2
319.9 kg one way
Round trip: 639.9 kg / 1411 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.25 $153.00 $306.00
Mid-grade $4.66 $167.62 $335.23
Premium $4.98 $179.39 $358.78
Diesel $6.44 $231.91 $463.82

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 · Nov 01, 2026

Please keep in mind that there is a 1 hour time gap between Boulder, CO and Chicago, IL. The current time in Boulder is 02:45:31, although it is 03:45:31 in Chicago.

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.