How far is Ammon, ID from Jerome, ID?

The driving distance from Ammon, ID to Jerome, ID is about 170.3 miles (274.1 km), with a travel time of about 02h 46m by car.

  • The straight-line flight distance is about 138.7 miles (223.2 km).
  • For a round trip, plan for roughly 05h 32m 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
170.3 mi
02h 46m
Flight
138.67 mi
223.17 km direct

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

Learn Distance

Choose another destination from Ammon.

Flight Distance

Direct air line
138.67 mi
Kilometers
223.17 km
Flight Time
00h 16m

Driving Distance

Road route
170.3 mi
Kilometers
274.07 km
Drive Time
02h 46m

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 46m.

Arrival Snapshot
Arrive in Jerome
Sat, Apr 18, 4:03 AM MDT
Return by in Ammon
Sat, Apr 18, 6:49 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Ammon
2026-04-18T01:17
Arrive Jerome
Sat, Apr 18, 4:03 AM MDT
Route Timing
02h 46m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
10:46 AM to 12:46 PM MDT

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

Leave by
12:58 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Ammon
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
Rockland
ID

City in Power County, Idaho, United States

From Ammon
85 mi
01h 23m
To Jerome
85.3 mi
01h 23m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
53°F
Saturday

Sunny

Starts
Sat, Apr 18 6:00 AM MDT
Wind
7 to 12 mph SSW
Destination
60°F
Saturday

Mostly Sunny

Starts
Sat, Apr 18 6:00 AM MDT
Wind
9 mph SE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Molen Street

    41 m · 12 sec · Molen Street

  2. 2

    Turn left onto Central Avenue

    753 ft · 35 sec · Central Avenue

  3. 3

    Turn right onto East Sunnyside Road

    6.1 mi · 9 min · East Sunnyside Road

  4. 4

    Take the exit left toward Blackfook, Pocatello, Salt Lake City

    1307 ft · 32 sec

  5. 5

    Merge slight left onto Veterans Memorial Highway

    43.1 mi · 41 min · Veterans Memorial Highway

  6. 6

    Take the exit slight right toward I 86 West: Chubbuck, Twin Falls

    1 km · 44 sec

  7. 7

    Continue straight

    62.7 mi · 59 min

  8. 8

    Continue on Vietnam Veterans Memorial Highway

    55.9 mi · 52 min · Vietnam Veterans Memorial Highway

  9. 9

    Take the exit slight right toward ID 25: Jerome

    1298 ft · 35 sec

  10. 10

    Turn right onto State Highway 25

    797 ft · 14 sec · State Highway 25

  11. 11

    Continue on West Main Street

    1.2 mi · 2 min · West Main Street

  12. 12

    Arrive at your destination

    0 m · 1 sec · East Main Street

Car Route Details

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

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
12 steps
3 turns on the saved route
Ramps & Exits
4
1 merges, 3 ramps or exits
Navigation Density
7 / 100 mi
Decision points by distance
Main Roads
I 86 West
63.3 mi · 37%
Vietnam Veterans Memorial Highway
55.9 mi · 33%
Veterans Memorial Highway
43.1 mi · 25%
East Sunnyside Road
6.07 mi · 4%
West Main Street
1.16 mi · 1%
Blackfook
0.25 mi
Longest Stretch

I 86 West

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 46m
Day trip friendly
Same-Day Return
05h 32m
Round-trip wheel time
Road vs Air
+31.6 mi
138.7 mi direct line
Halfway Stop
Rockland
01h 23m from Ammon
Leave By
12:58 PM MDT
Morning start is best
Weather Watch

Sunny leaving Ammon and Mostly Sunny near Jerome.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 170.3 miles (274.1 km) and usually takes 02h 46m 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?

Rockland is a useful midpoint, sitting about 85 miles from Ammon and 85.3 miles from Jerome.

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

The direct path is about 138.7 miles (223.2 km), while the road route adds roughly 31.6 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 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 12:58 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $23.40 one way or $46.79 round trip. Estimated CO2 is about 53.4 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Ammon and Mostly Sunny near Jerome.

Flight Path Map

This map shows the direct air route between Ammon and Jerome. Straight-line distance: 138.67 mi (223.17 km).

Ammon

#1 Ammon

City in Idaho, United States

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

#2 Jerome

City in Idaho, United States

Population11,994
Coordinates42.7240700, -114.5186500
Altitude1147
CountryUnited States
Start: Ammon (-111.96664, 43.46964)
End: Jerome (-114.51865, 42.72407)

Estimated Travel Time

Distance: 274 km by road

SpeedTime
30 mph (48.3 km/h)05h 40m
40 mph (64.37 km/h)04h 15m
50 mph (80.47 km/h)03h 24m
60 mph (96.56 km/h)02h 50m
70 mph (112.65 km/h)02h 25m
80 mph (129 km/h)02h 07m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.01 gal
22.75 L · about $23.40
Round trip
$46.79
12.02 gal · 45.5 L
Estimated CO2
53.4 kg one way
Round trip: 106.8 kg / 235 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $23.40 $46.79
Mid-grade $4.23 $25.43 $50.86
Premium $4.55 $27.34 $54.68
Diesel $5.41 $32.53 $65.05

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 Ammon and Jerome. The current time is 01:17:48.

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.