How far is Ammon, ID from Hayden, ID?
The driving distance from Ammon, ID to Hayden, ID is about 491.2 miles (790.5 km), with a travel time of about 07h 36m by car.
- The straight-line flight distance is about 377.2 miles (607 km).
- For a round trip, plan for roughly 15h 13m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM MDT.
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.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
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 07h 36m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
City in Lemhi County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Ammon and Hayden.
Turn-by-Turn Driving Directions
Step-by-step road directions between Ammon and Hayden.
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1
Start on Molen Street
41 m · 12 sec · Molen Street
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2
Turn left onto Central Avenue
753 ft · 35 sec · Central Avenue
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3
Turn right onto East Sunnyside Road
2.9 mi · 5 min · East Sunnyside Road
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4
Turn right onto South Holmes Avenue
1.6 km · 2 min · South Holmes Avenue
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5
Turn left onto East 17th Street
1.1 mi · 2 min · East 17th Street
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6
Continue on Pancheri Drive
1964 ft · 47 sec · Pancheri Drive
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7
Turn right onto South Utah Avenue
776 ft · 16 sec · South Utah Avenue
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8
Enter the roundabout and take exit 2 toward South Utah Avenue
68 m · 4 sec · South Utah Avenue
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9
Exit the roundabout onto South Utah Avenue
2440 ft · 58 sec · South Utah Avenue
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10
Turn left onto West Broadway Street
1513 ft · 35 sec · West Broadway Street
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11
Take the ramp right toward I15 North: Roberts, Butte
1128 ft · 28 sec
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12
Merge slight left onto Veterans Memorial Highway
198.2 mi · 3 hr 6 min · Veterans Memorial Highway
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13
Take the exit slight left toward I 90 West: Missoula
2808 ft · 1 min
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14
Merge slight left onto I 90 West: Missoula
278.5 mi · 4 hr 42 min
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15
Take the exit slight right
1277 ft · 35 sec
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16
Turn right
3.6 mi · 6 min
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17
Turn right onto West Honeysuckle Avenue
1094 ft · 29 sec · West Honeysuckle Avenue
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18
Turn left onto North Government Way
1.6 km · 2 min · North Government Way
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19
Arrive at your destination
0 m · 1 sec · North Government Way
Car Route Details
A richer read on the saved driving route between Ammon and Hayden.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 90 West
Merge slight left onto I 90 West: Missoula
278 mi · 04h 42m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Sunny leaving Ammon and Mostly Sunny near Hayden.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Ammon to Hayden?
The road trip is about 491.2 miles (790.5 km) and usually takes 07h 36m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Salmon is a useful midpoint, sitting about 244.2 miles from Ammon and 247.1 miles from Hayden.
How much longer is the road route than the straight-line distance?
The direct path is about 377.2 miles (607 km), while the road route adds roughly 114 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 7:30 AM MDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $67.47 one way or $134.93 round trip. Estimated CO2 is about 154 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Ammon and Hayden, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Ammon and Mostly Sunny near Hayden.
Flight Path Map
This map shows the direct air route between Ammon and Hayden. Straight-line distance: 377.17 mi (606.99 km).
#1 Ammon
City in Idaho, United States
| Population | 17,115 |
| Coordinates | 43.4696400, -111.9666400 |
| Altitude | 1437 |
| Country | United States |
#2 Hayden
City in the U.
| Population | 15,434 |
| Coordinates | 47.7660200, -116.7865800 |
| Altitude | 697 |
| Country | United States |
End: North Government Way (-116.786504, 47.766019)
Estimated Travel Time
Distance: 791 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 16h 22m |
| 40 mph (64.37 km/h) | 12h 16m |
| 50 mph (80.47 km/h) | 09h 49m |
| 60 mph (96.56 km/h) | 08h 11m |
| 70 mph (112.65 km/h) | 07h 01m |
| 80 mph (129 km/h) | 06h 07m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $67.47 | $134.93 |
| Mid-grade | $4.23 | $73.32 | $146.65 |
| Premium | $4.55 | $78.83 | $157.67 |
| Diesel | $5.41 | $93.79 | $187.58 |
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 · May 01, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.