How far is Idaho Falls, ID from Ashton, ID?

The driving distance from Idaho Falls, ID to Ashton, ID is about 54.8 miles (88.2 km), with a travel time of about 01h 04m by car.

  • The straight-line flight distance is about 51 miles (82.1 km).
  • For a round trip, plan for roughly 02h 08m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
54.84 mi
01h 04m
Flight
51.01 mi
82.09 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Idaho Falls.

Flight Distance

Direct air line
51.01 mi
Kilometers
82.09 km
Flight Time
00h 06m

Driving Distance

Road route
54.84 mi
Kilometers
88.25 km
Drive Time
01h 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 01h 04m.

Arrival Snapshot
Arrive in Ashton
Fri, Apr 17, 8:31 PM MDT
Return by in Idaho Falls
Fri, Apr 17, 9:35 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Idaho Falls
2026-04-17T19:27
Arrive Ashton
Fri, Apr 17, 8:31 PM MDT
Route Timing
01h 04m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
9:04 AM to 11:04 AM MDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:22 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Idaho Falls
9:30 PM MDT
Morning start is best

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
Rexburg
ID

City in and county seat of Madison County, Idaho, United States

From Idaho Falls
27.4 mi
00h 32m
To Ashton
27.4 mi
00h 32m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
45°F
Friday

Slight Chance Snow Showers

Starts
Fri, Apr 17 6:00 AM MDT
Wind
10 to 14 mph NNW
Destination
43°F
Friday

Mostly Sunny then Chance Snow Showers

Starts
Fri, Apr 17 6:00 AM MDT
Wind
6 to 13 mph NNW

Driving Route Map

The map below follows the saved road route between Idaho Falls and Ashton.

Turn-by-Turn Driving Directions

Step-by-step road directions between Idaho Falls and Ashton.

  1. 1

    Start on Charleston Lane

    46 m · 9 sec · Charleston Lane

  2. 2

    Turn right onto West Stone Run Lane

    74 m · 16 sec · West Stone Run Lane

  3. 3

    Turn left onto Stonebrook Lane

    142 m · 17 sec · Stonebrook Lane

  4. 4

    Turn right onto East Sunnyside Road

    2578 ft · 51 sec · East Sunnyside Road

  5. 5

    Turn left onto South Holmes Avenue

    1.1 mi · 2 min · South Holmes Avenue

  6. 6

    Turn straight onto South Holmes Avenue

    2.9 mi · 6 min · South Holmes Avenue

  7. 7

    Take the ramp slight right toward Rigby, West Yellowstone

    1961 ft · 48 sec

  8. 8

    Merge slight left onto Rigby Highway

    3056 ft · 37 sec · Rigby Highway

  9. 9

    Continue on Idaho Medal of Honor Highway

    15.4 mi · 16 min · Idaho Medal of Honor Highway

  10. 10

    Continue on Yellowstone Highway

    17.2 mi · 18 min · Yellowstone Highway

  11. 11

    Continue on Idaho Medal of Honor Highway

    16.3 mi · 18 min · Idaho Medal of Honor Highway

  12. 12

    Take the exit slight right

    610 ft · 17 sec

  13. 13

    Turn straight onto Main Street

    1652 ft · 33 sec · Main Street

  14. 14

    Arrive at your destination

    0 m · 1 sec · Main Street

Car Route Details

A richer read on the saved driving route between Idaho Falls and Ashton.

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
14 steps
6 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
25.5 / 100 mi
Decision points by distance
Main Roads
Idaho Medal of Honor Highway
31.8 mi · 58%
Yellowstone Highway
17.2 mi · 31%
South Holmes Avenue
3.95 mi · 7%
Rigby Highway
0.58 mi · 1%
East Sunnyside Road
0.49 mi · 1%
Rigby
0.37 mi · 1%
Longest Stretch

Yellowstone Highway

Continue on Yellowstone Highway

17.2 mi · 00h 18m

Route Summary

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

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
01h 04m
Day trip friendly
Same-Day Return
02h 08m
Round-trip wheel time
Road vs Air
+3.8 mi
51 mi direct line
Halfway Stop
Rexburg
00h 32m from Idaho Falls
Leave By
4:22 PM MDT
Morning start is best
Weather Watch

Slight Chance Snow Showers leaving Idaho Falls and Mostly Sunny then Chance Snow Showers near Ashton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Idaho Falls to Ashton?

The road trip is about 54.8 miles (88.2 km) and usually takes 01h 04m in normal driving conditions.

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

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Rexburg is a useful midpoint, sitting about 27.4 miles from Idaho Falls and 27.4 miles from Ashton.

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

The direct path is about 51 miles (82.1 km), while the road route adds roughly 3.8 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 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 4:22 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $7.51 one way or $15.03 round trip. Estimated CO2 is about 17.2 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Snow Showers around Idaho Falls and Mostly Sunny then Chance Snow Showers near Ashton.

Flight Path Map

This map shows the direct air route between Idaho Falls and Ashton. Straight-line distance: 51.01 mi (82.09 km).

Idaho Falls

#1 Idaho Falls

The most populous city in Bonneville County, Idaho.

Population62,888
Coordinates43.4665800, -112.0341400
Altitude1434
CountryUnited States
Ashton

#2 Ashton

City in Fremont County, Idaho, United States

Population1,050
Coordinates44.0715800, -111.4482900
Altitude1603
CountryUnited States
Start: Idaho Falls (-112.03414, 43.46658)
End: Ashton (-111.44829, 44.07158)

Estimated Travel Time

Distance: 88 km by road

SpeedTime
30 mph (48.3 km/h)01h 49m
40 mph (64.37 km/h)01h 22m
50 mph (80.47 km/h)01h 05m
60 mph (96.56 km/h)00h 54m
70 mph (112.65 km/h)00h 47m
80 mph (129 km/h)00h 41m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.93 gal
7.32 L · about $7.51
Round trip
$15.03
3.86 gal · 14.64 L
Estimated CO2
17.2 kg one way
Round trip: 34.3 kg / 76 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $7.51 $15.03
Mid-grade $4.23 $8.17 $16.33
Premium $4.55 $8.78 $17.56
Diesel $5.41 $10.45 $20.89

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 18, 2026

There is no time difference between Idaho Falls and Ashton. The current time is 19:27:05.

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.