How far is Flagstaff, AZ from Barstow, CA?

The driving distance from Flagstaff, AZ to Barstow, CA is about 352.1 miles (566.6 km), with a travel time of about 06h 08m by car.

  • The straight-line flight distance is about 304.5 miles (490.1 km).
  • For a round trip, plan for roughly 12h 17m 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
352.04 mi
06h 08m
Flight
304.5 mi
490.05 km direct

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

Learn Distance

Choose another destination from Flagstaff.

Flight Distance

Direct air line
304.5 mi
Kilometers
490.05 km
Flight Time
00h 36m

Driving Distance

Road route
352.04 mi
Kilometers
566.56 km
Drive Time
06h 08m

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 06h 08m.

Arrival Snapshot
Arrive in Barstow
Thu, Oct 15, 3:57 PM PDT
Return by in Flagstaff
Thu, Oct 15, 10:05 PM MST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Flagstaff
2026-10-15T09:48
Arrive Barstow
Thu, Oct 15, 3:57 PM MST
Route Timing
06h 08m
One way by road
Best Departure Window
6:00 AM to 7:30 AM MST
Treat this as a longer travel day
Arrive between
12:09 PM to 1:39 PM PDT

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

Leave by
11:42 PM MST
Keeps a same-day return open with about 08h 00m at the destination.
Back in Flagstaff
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
Desert Hills
AZ

Census designated place

From Flagstaff
175.7 mi
03h 04m
To Barstow
176.3 mi
03h 04m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
56°F
Today

Sunny

Starts
Thu, Oct 15 8:00 AM MST
Wind
20 to 23 mph NE
Destination
79°F
Today

Sunny

Starts
Thu, Oct 15 8:00 AM PDT
Wind
5 to 22 mph E

Driving Route Map

The map below follows the saved road route between Flagstaff and Barstow.

Turn-by-Turn Driving Directions

Step-by-step road directions between Flagstaff and Barstow.

  1. 1

    Start on West Historic Route 66

    153 m · 15 sec · West Historic Route 66

  2. 2

    Turn slight left onto South Milton Road

    2868 ft · 1 min · South Milton Road

  3. 3

    Turn right onto West Historic Route 66

    4 mi · 7 min · West Historic Route 66

  4. 4

    Take the ramp straight

    2469 ft · 1 min

  5. 5

    Merge slight left onto Purple Heart Trail

    190.6 mi · 3 hr 11 min · Purple Heart Trail

  6. 6

    Continue on Needles Freeway

    155.1 mi · 2 hr 46 min · Needles Freeway

  7. 7

    Merge slight left onto Barstow and Mojave Freeway

    1136 ft · 14 sec · Barstow and Mojave Freeway

  8. 8

    Take the exit slight right toward CA 247 South: Barstow Road

    1192 ft · 32 sec

  9. 9

    Turn right onto South Barstow Road

    1.3 km · 1 min · South Barstow Road

  10. 10

    At the end of the road, turn right onto East Main Street

    16 m · 1 sec · East Main Street

  11. 11

    Arrive at your destination

    0 m · 1 sec · East Main Street

Car Route Details

A richer read on the saved driving route between Flagstaff and Barstow.

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
11 steps
4 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
3.1 / 100 mi
Decision points by distance
Main Roads
Purple Heart Trail
191 mi · 54%
Needles Freeway
155 mi · 44%
West Historic Route 66
4.54 mi · 1%
South Barstow Road
0.83 mi
South Milton Road
0.54 mi
CA 247 South
0.23 mi
Longest Stretch

Purple Heart Trail

Merge slight left onto Purple Heart Trail

191 mi · 03h 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
06h 08m
Overnight route
Same-Day Return
12h 18m
Round-trip wheel time
Road vs Air
+47.6 mi
304.5 mi direct line
Halfway Stop
Desert Hills
03h 04m from Flagstaff
Leave By
11:42 PM MST
Overnight-style route
Weather Watch

Sunny leaving Flagstaff and Sunny near Barstow.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Flagstaff to Barstow?

The road trip is about 352.1 miles (566.6 km) and usually takes 06h 08m 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?

Desert Hills is a useful midpoint, sitting about 175.7 miles from Flagstaff and 176.3 miles from Barstow.

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

The direct path is about 304.5 miles (490.1 km), while the road route adds roughly 47.6 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 $58.05 one way or $116.10 round trip. Estimated CO2 is about 110.4 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Flagstaff and Sunny near Barstow.

Stop Ideas Near Desert Hills

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

Mid-route Guidance
Local place coverage is thin around Desert Hills, 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 Desert Hills.

RAIL

El Garces Intermodal Transportation Facility

38 mi away
900 Front Street
BUS

Laughlin, Nevada

70 mi away
2121 S. Casino Dr.
RAIL

Kingman

76 mi away
106 4th Street
BUS

Kingman (Greyhound), Arizona

81 mi away
3264 E. Andy Devine Av.

Flight Path Map

This map shows the direct air route between Flagstaff and Barstow. Straight-line distance: 304.5 mi (490.05 km).

Flagstaff

#1 Flagstaff

The most populous city in Coconino County, Arizona.

Population73,939
Coordinates35.1980700, -111.6512700
Altitude2104
CountryUnited States
Barstow

#2 Barstow

City in San Bernardino County, California, United States

Population23,692
Coordinates34.8985900, -117.0228200
Altitude663
CountryUnited States
Start: Flagstaff (-111.65127, 35.19807)
End: Barstow (-117.02282, 34.89859)

Estimated Travel Time

Distance: 567 km by road

SpeedTime
30 mph (48.3 km/h)11h 43m
40 mph (64.37 km/h)08h 48m
50 mph (80.47 km/h)07h 02m
60 mph (96.56 km/h)05h 52m
70 mph (112.65 km/h)05h 01m
80 mph (129 km/h)04h 23m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
12.42 gal
47.02 L · about $58.05
Round trip
$116.10
24.84 gal · 94.04 L
Estimated CO2
110.4 kg one way
Round trip: 220.8 kg / 487 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.67 $58.05 $116.10
Mid-grade $5.03 $62.52 $125.04
Premium $5.36 $66.61 $133.22
Diesel $6.27 $77.90 $155.80

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 Arizona · Oct 15, 2026

There is no time difference between Flagstaff and Barstow. The current time is 09:48:45.

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.