How far is Caldwell, ID from Blackfoot, ID?

The driving distance from Caldwell, ID to Blackfoot, ID is about 279.1 miles (449.2 km), with a travel time of about 04h 32m by car.

  • The straight-line flight distance is about 220.3 miles (354.5 km).
  • For a round trip, plan for roughly 09h 04m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 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
279.12 mi
04h 32m
Flight
220.3 mi
354.54 km direct

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

Learn Distance

Choose another destination from Caldwell.

Flight Distance

Direct air line
220.3 mi
Kilometers
354.54 km
Flight Time
00h 26m

Driving Distance

Road route
279.12 mi
Kilometers
449.2 km
Drive Time
04h 32m

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 04h 32m.

Arrival Snapshot
Arrive in Blackfoot
Wed, Apr 15, 9:59 AM MDT
Return by in Caldwell
Wed, Apr 15, 2:31 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Caldwell
2026-04-15T05:27
Arrive Blackfoot
Wed, Apr 15, 9:59 AM MDT
Route Timing
04h 32m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
10:32 AM to 12:32 PM MDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
7:56 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Caldwell
9:00 PM MDT
Early departure recommended

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
Jerome
ID

City in Idaho, United States

From Caldwell
139.4 mi
02h 16m
To Blackfoot
139.7 mi
02h 16m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
58°F
Wednesday

Light Rain then Showers And Thunderstorms

Starts
Wed, Apr 15 6:00 AM MDT
Wind
3 to 12 mph SSE
Destination
56°F
Wednesday

Mostly Sunny then Slight Chance Light Rain

Starts
Wed, Apr 15 6:00 AM MDT
Wind
12 to 25 mph SW

Driving Route Map

The map below follows the saved road route between Caldwell and Blackfoot.

Turn-by-Turn Driving Directions

Step-by-step road directions between Caldwell and Blackfoot.

  1. 1

    Start on the route

    28 m · 12 sec

  2. 2

    Turn left onto Cleveland Boulevard

    22 m · 4 sec · Cleveland Boulevard

  3. 3

    Turn right

    43 m · 13 sec

  4. 4

    Turn right

    46 m · 13 sec

  5. 5

    Turn right onto South 10th Avenue

    1.1 km · 2 min · South 10th Avenue

  6. 6

    Take the ramp slight right

    2822 ft · 1 min

  7. 7

    Merge slight left onto Vietnam Veterans Memorial Highway

    20.9 mi · 24 min · Vietnam Veterans Memorial Highway

  8. 8

    Keep slight right to continue on Vietnam Veterans Memorial Highway

    172.3 mi · 2 hr 43 min · Vietnam Veterans Memorial Highway

  9. 9

    Continue straight

    62.7 mi · 59 min

  10. 10

    Keep slight left to continue on Idaho Falls

    3046 ft · 40 sec

  11. 11

    Merge slight right

    19.8 mi · 19 min

  12. 12

    Take the exit slight right toward US 26, ID 39: Blackfoot, Arco

    1230 ft · 30 sec

  13. 13

    Keep slight right

    131 m · 11 sec

  14. 14

    Turn straight onto Bergener Boulevard

    2185 ft · 41 sec · Bergener Boulevard

  15. 15

    Continue on West Bridge Street

    137 m · 8 sec · West Bridge Street

  16. 16

    Continue on West Judicial Street

    2260 ft · 44 sec · West Judicial Street

  17. 17

    Turn left onto South Ash Street

    673 ft · 20 sec · South Ash Street

  18. 18

    Turn right onto West Pacific Street

    102 m · 14 sec · West Pacific Street

  19. 19

    Turn left onto North Broadway Street

    48 m · 12 sec · North Broadway Street

  20. 20

    Turn left

    11 m · 3 sec

  21. 21

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Caldwell and Blackfoot.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
21 steps
9 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
7.5 / 100 mi
Decision points by distance
Main Roads
Vietnam Veterans Memorial Highway
256 mi · 92%
Idaho Falls
20.4 mi · 7%
South 10th Avenue
1.19 mi
West Judicial Street
0.43 mi
Bergener Boulevard
0.41 mi
US 26
0.31 mi
Longest Stretch

Vietnam Veterans Memorial Highway

Keep slight right to continue on Vietnam Veterans Memorial Highway

172 mi · 02h 43m

Route Summary

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

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
04h 32m
Long day trip
Same-Day Return
09h 04m
Round-trip wheel time
Road vs Air
+58.8 mi
220.3 mi direct line
Halfway Stop
Jerome
02h 16m from Caldwell
Leave By
7:56 AM MDT
Early departure recommended
Weather Watch

Light Rain then Showers And Thunderstorms leaving Caldwell and Mostly Sunny then Slight Chance Light Rain near Blackfoot.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Caldwell to Blackfoot?

The road trip is about 279.1 miles (449.2 km) and usually takes 04h 32m in normal driving conditions.

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

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Jerome is a useful midpoint, sitting about 139.4 miles from Caldwell and 139.7 miles from Blackfoot.

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

The direct path is about 220.3 miles (354.5 km), while the road route adds roughly 58.8 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 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 7:56 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $38.35 one way or $76.69 round trip. Estimated CO2 is about 87.5 kg one way.

What should you check before leaving?

Before you leave, expect Light Rain then Showers And Thunderstorms around Caldwell and Mostly Sunny then Slight Chance Light Rain near Blackfoot.

Stop Ideas Near Jerome

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

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

BUS

Twin Falls, Idaho

18 mi away
1135 Blue Lakes Circle

Flight Path Map

This map shows the direct air route between Caldwell and Blackfoot. Straight-line distance: 220.3 mi (354.54 km).

Caldwell

#1 Caldwell

The most populous city in Canyon County, Idaho.

Population58,481
Coordinates43.6629400, -116.6873600
Altitude724
CountryUnited States
Blackfoot

#2 Blackfoot

City in Bingham County, Idaho, United States

Population12,034
Coordinates43.1904700, -112.3449800
Altitude1371
CountryUnited States
Start: Caldwell (-116.68736, 43.66294)
End: Blackfoot (-112.34498, 43.19047)

Estimated Travel Time

Distance: 449 km by road

SpeedTime
30 mph (48.3 km/h)09h 18m
40 mph (64.37 km/h)06h 58m
50 mph (80.47 km/h)05h 34m
60 mph (96.56 km/h)04h 39m
70 mph (112.65 km/h)03h 59m
80 mph (129 km/h)03h 28m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.85 gal
37.28 L · about $38.35
Round trip
$76.69
19.7 gal · 74.56 L
Estimated CO2
87.5 kg one way
Round trip: 175.1 kg / 386 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $38.35 $76.69
Mid-grade $4.23 $41.68 $83.35
Premium $4.55 $44.81 $89.62
Diesel $5.41 $53.31 $106.62

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 Idaho · Apr 15, 2026

There is no time difference between Caldwell and Blackfoot. The current time is 05:27:31.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

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