How far is Twin Falls, ID from Ammon, ID?

The driving distance from Twin Falls, ID to Ammon, ID is about 162.8 miles (262 km), with a travel time of about 02h 25m by car.

  • The straight-line flight distance is about 140.7 miles (226.4 km).
  • For a round trip, plan for roughly 04h 50m 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
162.81 mi
02h 25m
Flight
140.71 mi
226.45 km direct

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

Learn Distance

Choose another destination from Twin Falls.

Flight Distance

Direct air line
140.71 mi
Kilometers
226.45 km
Flight Time
00h 16m

Driving Distance

Road route
162.81 mi
Kilometers
262.02 km
Drive Time
02h 25m

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 02h 25m.

Arrival Snapshot
Arrive in Ammon
Wed, Apr 22, 9:38 PM MDT
Return by in Twin Falls
Thu, Apr 23, 12:03 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Twin Falls
2026-04-22T19:12
Arrive Ammon
Wed, Apr 22, 9:38 PM MDT
Route Timing
02h 25m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
10:25 AM to 12:25 PM MDT

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

Leave by
1:40 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Twin 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
American Falls
ID

City in Idaho

From Twin Falls
81.5 mi
01h 12m
To Ammon
81.3 mi
01h 12m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
52°F
Wednesday

Rain Showers

Starts
Wed, Apr 22 6:00 AM MDT
Wind
14 to 24 mph W
Destination
52°F
Wednesday

Light Rain Likely then Showers And Thunderstorms

Starts
Wed, Apr 22 6:00 AM MDT
Wind
16 to 29 mph SW

Driving Route Map

The map below follows the saved road route between Twin Falls and Ammon.

Turn-by-Turn Driving Directions

Step-by-step road directions between Twin Falls and Ammon.

  1. 1

    Start on Shoshone Street East

    1.2 km · 1 min · Shoshone Street East

  2. 2

    Turn left onto 2nd Avenue South

    1.2 km · 1 min · 2nd Avenue South

  3. 3

    Continue on Kimberly Road

    4.9 mi · 7 min · Kimberly Road

  4. 4

    Continue on East 3800 North

    4.2 mi · 6 min · East 3800 North

  5. 5

    Continue on ID 50

    2114 ft · 28 sec · ID 50

  6. 6

    Take the ramp straight

    2203 ft · 54 sec

  7. 7

    Merge slight left onto Vietnam Veterans Memorial Highway

    39.1 mi · 37 min · Vietnam Veterans Memorial Highway

  8. 8

    Continue straight

    62.7 mi · 59 min

  9. 9

    Keep slight left to continue on Idaho Falls

    3046 ft · 40 sec

  10. 10

    Merge slight right

    43.2 mi · 41 min

  11. 11

    Take the exit slight right toward I 15 Business, US 26: Ammon, Jackson

    1448 ft · 36 sec

  12. 12

    Turn right onto West Sunnyside Road

    5.9 mi · 9 min · West Sunnyside Road

  13. 13

    Turn left onto Central Avenue

    753 ft · 35 sec · Central Avenue

  14. 14

    Turn right onto Molen Street

    41 m · 6 sec · Molen Street

  15. 15

    Arrive at your destination

    0 m · 1 sec · Molen Street

Car Route Details

A richer read on the saved driving route between Twin Falls and Ammon.

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
15 steps
4 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
9.2 / 100 mi
Decision points by distance
Main Roads
Vietnam Veterans Memorial Highway
102 mi · 63%
Idaho Falls
43.8 mi · 27%
West Sunnyside Road
5.93 mi · 4%
Kimberly Road
4.87 mi · 3%
East 3800 North
4.18 mi · 3%
ID 50
0.82 mi · 1%
Longest Stretch

Vietnam Veterans Memorial Highway

Continue straight

62.7 mi · 00h 59m

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
02h 25m
Day trip friendly
Same-Day Return
04h 50m
Round-trip wheel time
Road vs Air
+22.1 mi
140.7 mi direct line
Halfway Stop
American Falls
01h 12m from Twin Falls
Leave By
1:40 PM MDT
Morning start is best
Weather Watch

Rain Showers leaving Twin Falls and Light Rain Likely then Showers And Thunderstorms near Ammon.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Twin Falls to Ammon?

The road trip is about 162.8 miles (262 km) and usually takes 02h 25m 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?

American Falls is a useful midpoint, sitting about 81.5 miles from Twin Falls and 81.3 miles from Ammon.

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

The direct path is about 140.7 miles (226.4 km), while the road route adds roughly 22.1 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 1:40 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $22.38 one way or $44.77 round trip. Estimated CO2 is about 51.1 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers around Twin Falls and Light Rain Likely then Showers And Thunderstorms near Ammon.

Flight Path Map

This map shows the direct air route between Twin Falls and Ammon. Straight-line distance: 140.71 mi (226.45 km).

Twin Falls

#1 Twin Falls

The most populous city in Twin Falls County, Idaho.

Population50,197
Coordinates42.5629700, -114.4608700
Altitude1138
CountryUnited States
Ammon

#2 Ammon

City in Idaho, United States

Population17,115
Coordinates43.4696400, -111.9666400
Altitude1437
CountryUnited States
Start: Shoshone Street East (-114.460704, 42.56285)
End: Molen Street (-111.966641, 43.469622)

Estimated Travel Time

Distance: 262 km by road

SpeedTime
30 mph (48.3 km/h)05h 25m
40 mph (64.37 km/h)04h 04m
50 mph (80.47 km/h)03h 15m
60 mph (96.56 km/h)02h 42m
70 mph (112.65 km/h)02h 19m
80 mph (129 km/h)02h 01m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.75 gal
21.75 L · about $22.38
Round trip
$44.77
11.5 gal · 43.5 L
Estimated CO2
51.1 kg one way
Round trip: 102.2 kg / 225 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $22.38 $44.77
Mid-grade $4.23 $24.33 $48.66
Premium $4.55 $26.16 $52.31
Diesel $5.41 $31.12 $62.24

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 23, 2026

There is no time difference between Twin Falls and Ammon. The current time is 19:12:59.

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.