How far is Boulder, CO from Redding, CA?

The driving distance from Boulder, CO to Redding, CA is about 1223.3 miles (1968.7 km), with a travel time of about 21h 15m by car.

  • The straight-line flight distance is about 901.6 miles (1451 km).
  • For a round trip, plan for roughly 42h 31m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM MDT.
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
1223.31 mi
21h 15m
Flight
901.63 mi
1451.04 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
901.63 mi
Kilometers
1451.04 km
Flight Time
01h 48m

Driving Distance

Road route
1223.31 mi
Kilometers
1968.72 km
Drive Time
21h 15m

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 21h 15m.

Arrival Snapshot
Arrive in Redding
Fri, Oct 16, 7:04 AM PDT
Return by in Boulder
Sat, Oct 17, 5:20 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Boulder
2026-10-15T10:48
Arrive Redding
Fri, Oct 16, 8:04 AM MDT
Route Timing
21h 15m
One way by road
Best Departure Window
6:00 AM to 7:30 AM MDT
Treat this as a longer travel day
Arrive between
2:16 AM to 3:46 AM PDT

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

Leave by
5:28 PM MDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Boulder
8:00 PM MDT
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
Wendover
UT

City in Tooele County, Utah, United States

From Boulder
610.9 mi
10h 37m
To Redding
612.4 mi
10h 37m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
50°F
Today

Rain Showers Likely

Starts
Thu, Oct 15 8:00 AM MDT
Wind
5 to 12 mph N
Destination
91°F
Thursday

Sunny

Starts
Thu, Oct 15 6:00 AM PDT
Wind
5 to 9 mph N

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    1.6 mi · 4 min · Arapahoe Avenue

  4. 4

    Turn left onto Foothills Parkway

    2.5 mi · 4 min · Foothills Parkway

  5. 5

    Continue on Diagonal Highway

    8.6 mi · 11 min · Diagonal Highway

  6. 6

    Continue on Ken Pratt Boulevard

    5.4 mi · 8 min · Ken Pratt Boulevard

  7. 7

    Continue on Highway 119

    3.1 mi · 4 min · Highway 119

  8. 8

    Turn left onto I 25 North

    1400 ft · 34 sec

  9. 9

    Merge slight left onto Dwight D. Eisenhower Highway

    40.7 mi · 41 min · Dwight D. Eisenhower Highway

  10. 10

    Take the exit slight right toward Owl Canyon Road

    1365 ft · 42 sec

  11. 11

    Turn left onto East County Road 70

    6.5 mi · 10 min · East County Road 70

  12. 12

    Enter the roundabout and take exit 1 toward North County Road 19

    20 m · 1 sec · North County Road 19

  13. 13

    Exit the roundabout onto North County Road 19

    1.2 mi · 2 min · North County Road 19

  14. 14

    Continue on West County Road 72

    3.8 mi · 6 min · West County Road 72

  15. 15

    At the end of the road, turn right onto North Highway 287

    21.9 mi · 25 min · North Highway 287

  16. 16

    Continue on US Highway 287

    23 mi · 25 min · US Highway 287

  17. 17

    Continue on South 3rd Street

    1.4 mi · 2 min · South 3rd Street

  18. 18

    Take the exit slight right

    2889 ft · 1 min

  19. 19

    Merge slight left onto Dwight D. Eisenhower Highway

    387.4 mi · 6 hr 24 min · Dwight D. Eisenhower Highway

  20. 20

    Merge slight left onto Veterans Memorial Highway

    2.5 mi · 3 min · Veterans Memorial Highway

  21. 21

    Take the exit slight right toward I 80 West: Reno, Salt Lake City International Airport

    515.2 mi · 8 hr 22 min

  22. 22

    Take the exit slight right toward I 580, US 395: Carson City, Susanville

    2999 ft · 39 sec

  23. 23

    Keep slight right to continue on US 395: Susanville

    1465 ft · 19 sec

  24. 24

    Merge slight left onto Martin Luther King Junior Memorial Highway

    15.6 mi · 18 min · Martin Luther King Junior Memorial Highway

  25. 25

    Continue on Route 395

    64.1 mi · 1 hr 14 min · Route 395

  26. 26

    Continue straight

    10.2 mi · 15 min

  27. 27

    Turn right onto Feather Lake Highway

    37.2 mi · 43 min · Feather Lake Highway

  28. 28

    Continue on Old Station Road

    8.7 mi · 11 min · Old Station Road

  29. 29

    At the end of the road, turn left

    60.4 mi · 1 hr 21 min

  30. 30

    Turn right onto Pine Street

    149 m · 18 sec · Pine Street

  31. 31

    Turn left onto Eureka Way

    119 m · 18 sec · Eureka Way

  32. 32

    Turn left onto South Market Street

    135 m · 13 sec · South Market Street

  33. 33

    Arrive at your destination

    0 m · 1 sec · South Market Street

Car Route Details

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

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
33 steps
13 turns on the saved route
Ramps & Exits
10
4 merges, 6 ramps or exits
Navigation Density
2.7 / 100 mi
Decision points by distance
Main Roads
I 80 West
515 mi · 42%
Dwight D. Eisenhower Highway
428 mi · 35%
Route 395
74.3 mi · 6%
Feather Lake Highway
37.2 mi · 3%
US Highway 287
23 mi · 2%
North Highway 287
21.9 mi · 2%
Longest Stretch

I 80 West

Take the exit slight right toward I 80 West: Reno, Salt Lake City International Airport

515 mi · 08h 22m

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
21h 15m
Overnight route
Same-Day Return
42h 32m
Round-trip wheel time
Road vs Air
+321.7 mi
901.6 mi direct line
Halfway Stop
Wendover
10h 37m from Boulder
Leave By
5:28 PM MDT
Overnight-style route
Weather Watch

Rain Showers Likely leaving Boulder and Sunny near Redding.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 1223.3 miles (1968.7 km) and usually takes 21h 15m 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?

Wendover is a useful midpoint, sitting about 610.9 miles from Boulder and 612.4 miles from Redding.

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

The direct path is about 901.6 miles (1451 km), while the road route adds roughly 321.7 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 MDT. 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 $186.71 one way or $373.42 round trip. Estimated CO2 is about 383.7 kg one way.

Do you cross a time zone on this route?

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

What should you check before leaving?

Before you leave, expect Rain Showers Likely around Boulder and Sunny near Redding.

Flight Path Map

This map shows the direct air route between Boulder and Redding. Straight-line distance: 901.63 mi (1451.04 km).

Boulder

#1 Boulder

The most populous city in Boulder County, Colorado.

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

#2 Redding

The most populous city in Shasta County, California.

Population92,456
Coordinates40.5865400, -122.3916800
Altitude172
CountryUnited States
Start: Boulder (-105.27055, 40.01499)
End: Redding (-122.39168, 40.58654)

Estimated Travel Time

Distance: 1969 km by road

SpeedTime
30 mph (48.3 km/h)40h 45m
40 mph (64.37 km/h)30h 35m
50 mph (80.47 km/h)24h 27m
60 mph (96.56 km/h)20h 23m
70 mph (112.65 km/h)17h 28m
80 mph (129 km/h)15h 15m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
43.17 gal
163.4 L · about $186.71
Round trip
$373.42
86.34 gal · 326.8 L
Estimated CO2
383.7 kg one way
Round trip: 767.3 kg / 1692 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.33 $186.71 $373.42
Mid-grade $4.72 $203.72 $407.44
Premium $5.06 $218.57 $437.14
Diesel $6.52 $281.34 $562.68

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 · Oct 15, 2026

Please keep in mind that there is a 1 hour time gap between Boulder, CO and Redding, CA. The current time in Boulder is 10:48:59, although it is 09:48:59 in Redding.

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.