How far is Ammon, ID from Rexburg, ID?

The driving distance from Ammon, ID to Rexburg, ID is about 28.1 miles (45.2 km), with a travel time of about 00h 37m by car.

  • The straight-line flight distance is about 26.2 miles (42.1 km).
  • For a round trip, plan for roughly 01h 14m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM MDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
28.05 mi
00h 37m
Flight
26.17 mi
42.11 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Ammon.

Flight Distance

Direct air line
26.17 mi
Kilometers
42.11 km
Flight Time
00h 03m

Driving Distance

Road route
28.05 mi
Kilometers
45.15 km
Drive Time
00h 37m

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 00h 37m.

Arrival Snapshot
Arrive in Rexburg
Wed, Apr 22, 7:43 PM MDT
Return by in Ammon
Wed, Apr 22, 8:21 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Ammon
2026-04-22T19:06
Arrive Rexburg
Wed, Apr 22, 7:43 PM MDT
Route Timing
00h 37m
One way by road
Best Departure Window
7:00 AM to 7:00 PM MDT
Leave when it suits your day
Arrive between
7:37 AM to 7:37 PM MDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:16 PM MDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Ammon
10:00 PM MDT
Flexible departure

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
Rigby
ID

City in Jefferson County, Idaho, United States

From Ammon
14 mi
00h 18m
To Rexburg
14 mi
00h 18m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
52°F
Wednesday

Light Rain Likely then Showers And Thunderstorms

Starts
Wed, Apr 22 6:00 AM MDT
Wind
16 to 29 mph SW
Destination
55°F
Wednesday

Light Rain Likely then Showers And Thunderstorms

Starts
Wed, Apr 22 6:00 AM MDT
Wind
15 to 30 mph SSW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Ammon and Rexburg.

  1. 1

    Start on Molen Street

    622 ft · 33 sec · Molen Street

  2. 2

    At the end of the road, turn left onto South Ammon Road

    2.9 mi · 5 min · South Ammon Road

  3. 3

    Enter the roundabout and take exit 2 toward North Ammon Road

    41 m · 3 sec · North Ammon Road

  4. 4

    Exit the roundabout onto North Ammon Road

    2 mi · 4 min · North Ammon Road

  5. 5

    Continue on Old Yellowstone Highway

    3.4 mi · 5 min · Old Yellowstone Highway

  6. 6

    Turn left onto East 105th North

    113 m · 6 sec · East 105th North

  7. 7

    Continue on East 105th North

    1482 ft · 26 sec · East 105th North

  8. 8

    Take the ramp right

    2263 ft · 55 sec

  9. 9

    Merge slight left onto Idaho Medal of Honor Highway

    10.4 mi · 11 min · Idaho Medal of Honor Highway

  10. 10

    Continue on Yellowstone Highway

    7 mi · 8 min · Yellowstone Highway

  11. 11

    Take the exit slight right toward ID 33: Salmon, Rexburg

    1430 ft · 35 sec

  12. 12

    Keep slight right to continue on ID 33: Salmon, Rexburg

    92 m · 10 sec

  13. 13

    Turn straight onto West Main Street

    1 mi · 2 min · West Main Street

  14. 14

    Arrive at your destination

    0 m · 1 sec · West Main Street

Car Route Details

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

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
14 steps
5 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
49.8 / 100 mi
Decision points by distance
Main Roads
Idaho Medal of Honor Highway
10.4 mi · 37%
Yellowstone Highway
7.02 mi · 25%
Old Yellowstone Highway
3.4 mi · 12%
South Ammon Road
2.87 mi · 10%
North Ammon Road
2.07 mi · 7%
West Main Street
1 mi · 4%
Longest Stretch

Idaho Medal of Honor Highway

Merge slight left onto Idaho Medal of Honor Highway

10.4 mi · 00h 11m

Route Summary

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

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 37m
Quick drive
Same-Day Return
01h 14m
Round-trip wheel time
Road vs Air
+1.9 mi
26.2 mi direct line
Halfway Stop
Rigby
00h 18m from Ammon
Leave By
7:16 PM MDT
Flexible departure
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Ammon to Rexburg?

The road trip is about 28.1 miles (45.2 km) and usually takes 00h 37m in normal driving conditions.

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

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Rigby is a useful midpoint, sitting about 14 miles from Ammon and 14 miles from Rexburg.

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

The direct path is about 26.2 miles (42.1 km), while the road route adds roughly 1.9 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 7:00 AM to 7:00 PM MDT. If you want a more comfortable same-day return, try to leave by 7:16 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.85 one way or $7.71 round trip. Estimated CO2 is about 8.8 kg one way.

What should you check before leaving?

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

Flight Path Map

This map shows the direct air route between Ammon and Rexburg. Straight-line distance: 26.17 mi (42.11 km).

Ammon

#1 Ammon

City in Idaho, United States

Population17,115
Coordinates43.4696400, -111.9666400
Altitude1437
CountryUnited States
Rexburg

#2 Rexburg

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

Population29,400
Coordinates43.8260200, -111.7896900
Altitude1483
CountryUnited States
Start: Molen Street (-111.966641, 43.469622)
End: West Main Street (-111.78969, 43.826057)

Estimated Travel Time

Distance: 45 km by road

SpeedTime
30 mph (48.3 km/h)00h 56m
40 mph (64.37 km/h)00h 42m
50 mph (80.47 km/h)00h 33m
60 mph (96.56 km/h)00h 28m
70 mph (112.65 km/h)00h 24m
80 mph (129 km/h)00h 21m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.99 gal
3.75 L · about $3.85
Round trip
$7.71
1.98 gal · 7.5 L
Estimated CO2
8.8 kg one way
Round trip: 17.6 kg / 39 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $3.85 $7.71
Mid-grade $4.23 $4.19 $8.38
Premium $4.55 $4.50 $9.01
Diesel $5.41 $5.36 $10.72

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 Ammon and Rexburg. The current time is 19:06:20.

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.