How far is Redding, CA from Boulder, CO?
The driving distance from Redding, CA to Boulder, CO is about 1222.8 miles (1967.9 km), with a travel time of about 21h 14m by car.
- The straight-line flight distance is about 901.6 miles (1451 km).
- For a round trip, plan for roughly 42h 29m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM PDT.
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.
This drive is better planned with a longer stop or an overnight stay.
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 21h 14m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
City in Tooele County, Utah, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Redding and Boulder.
Turn-by-Turn Driving Directions
Step-by-step road directions between Redding and Boulder.
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1
Start on South Market Street
136 m · 22 sec · South Market Street
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2
Turn left onto Tehama Street
56.6 mi · 1 hr 15 min · Tehama Street
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3
Continue straight
3.9 mi · 5 min
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4
Turn right onto Old Station Road
8.7 mi · 11 min · Old Station Road
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5
Continue on Feather Lake Highway
37.2 mi · 43 min · Feather Lake Highway
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6
At the end of the road, turn left
10.2 mi · 15 min
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7
Continue on Route 395
64.2 mi · 1 hr 14 min · Route 395
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8
Continue on Martin Luther King Junior Memorial Highway
15.6 mi · 18 min · Martin Luther King Junior Memorial Highway
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9
Take the exit slight right toward I 80: Sparks, Elko, Reno, Sacramento
793 ft · 10 sec
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10
Keep slight left to continue on I 80: Sparks, Elko
2799 ft · 2 min
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11
Merge slight left onto Dwight D. Eisenhower Highway
515.2 mi · 8 hr 22 min · Dwight D. Eisenhower Highway
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12
Keep slight left to continue on I 80 East, I 15 South: Cheyenne, Las Vegas
1715 ft · 42 sec
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13
Merge slight left onto Veterans Memorial Highway
2.3 mi · 2 min · Veterans Memorial Highway
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14
Keep slight right to continue on Dwight D. Eisenhower Highway
387.8 mi · 6 hr 24 min · Dwight D. Eisenhower Highway
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15
Take the exit slight right toward US 287: 3rd Street, Fort Collins
790 ft · 19 sec
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16
Turn right onto South 3rd Street
1.4 mi · 2 min · South 3rd Street
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17
Continue on US Highway 287
23 mi · 25 min · US Highway 287
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18
Continue on North Highway 287
21.9 mi · 25 min · North Highway 287
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19
Turn left onto West County Road 72
3.8 mi · 6 min · West County Road 72
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20
Continue on North County Road 19
1.2 mi · 2 min · North County Road 19
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21
Enter the roundabout and take exit 3 toward West County Road 70
51 m · 3 sec · West County Road 70
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22
Exit the roundabout onto West County Road 70
5 mi · 7 min · West County Road 70
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23
Turn straight onto East County Road 70
1.4 mi · 2 min · East County Road 70
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24
Take the ramp right
1305 ft · 32 sec
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25
Merge slight left onto Dwight D. Eisenhower Highway
40.7 mi · 41 min · Dwight D. Eisenhower Highway
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26
Take the exit slight right toward CO 119 West
1528 ft · 29 sec
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27
Turn right onto Highway 119
3 mi · 4 min · Highway 119
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28
Continue on East Ken Pratt Boulevard
5.4 mi · 8 min · East Ken Pratt Boulevard
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29
Continue on Diagonal Highway
9.3 mi · 12 min · Diagonal Highway
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30
Continue on Foothills Parkway
1.9 mi · 3 min · Foothills Parkway
-
31
Turn right onto Arapahoe Avenue
1.6 mi · 4 min · Arapahoe Avenue
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32
Turn right onto 19th Street
44 m · 11 sec · 19th Street
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33
Turn left
27 m · 5 sec
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34
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Redding and Boulder.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Dwight D. Eisenhower Highway
Merge slight left onto Dwight D. Eisenhower Highway
515 mi · 08h 22m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Sunny leaving Redding and Rain Showers Likely near Boulder.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Redding to Boulder?
The road trip is about 1222.8 miles (1967.9 km) and usually takes 21h 14m 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 608 miles from Redding and 614.8 miles from Boulder.
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 321.2 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 6:00 AM to 7:30 AM PDT. 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 $270.16 one way or $540.32 round trip. Estimated CO2 is about 383.5 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Redding and Boulder, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Redding and Rain Showers Likely near Boulder.
Flight Path Map
This map shows the direct air route between Redding and Boulder. Straight-line distance: 901.63 mi (1451.04 km).
#1 Redding
The most populous city in Shasta County, California.
| Population | 92,456 |
| Coordinates | 40.5865400, -122.3916800 |
| Altitude | 172 |
| Country | United States |
#2 Boulder
The most populous city in Boulder County, Colorado.
| Population | 107,645 |
| Coordinates | 40.0149900, -105.2705500 |
| Altitude | 1624 |
| Country | United States |
End: Boulder (-105.27055, 40.01499)
Estimated Travel Time
Distance: 1968 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 40h 44m |
| 40 mph (64.37 km/h) | 30h 34m |
| 50 mph (80.47 km/h) | 24h 27m |
| 60 mph (96.56 km/h) | 20h 22m |
| 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.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $6.26 | $270.16 | $540.32 |
| Mid-grade | $6.50 | $280.43 | $560.86 |
| Premium | $6.69 | $288.63 | $577.26 |
| Diesel | $8.41 | $363.02 | $726.04 |
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 California · Oct 15, 2026