How far is Rathdrum, ID from Ammon, ID?
The driving distance from Rathdrum, ID to Ammon, ID is about 498 miles (801.4 km), with a travel time of about 07h 34m by car.
- The straight-line flight distance is about 382.9 miles (616.2 km).
- For a round trip, plan for roughly 15h 08m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM PDT.
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 34m.
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.
Mostly Sunny
Slight Chance Snow Showers
Driving Route Map
The map below follows the saved road route between Rathdrum and Ammon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rathdrum and Ammon.
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1
Start on West Highway 53
116 m · 15 sec · West Highway 53
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2
Turn left onto North Mill Street
96 m · 14 sec · North Mill Street
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3
Turn left onto West Main Street
93 m · 10 sec · West Main Street
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4
Turn right onto North McCartney Street
1192 ft · 35 sec · North McCartney Street
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5
Turn right onto North Highway 41
6.9 mi · 11 min · North Highway 41
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6
Turn left onto East Seltice Way
94 m · 10 sec · East Seltice Way
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7
Turn slight left onto I 90, ID 41
114 m · 16 sec
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8
Take the ramp slight right toward I 90
2435 ft · 59 sec
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9
Merge slight left
282.5 mi · 4 hr 45 min
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10
Take the exit slight right toward I 15 South: Dillon, Idaho Falls
2694 ft · 1 min
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11
Merge slight left
198 mi · 3 hr 6 min
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12
Take the exit slight right toward I 15 Business, US 20 West: Historic Downtown, Arco
1619 ft · 47 sec
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13
Continue on West Broadway Street
2164 ft · 54 sec · West Broadway Street
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14
Turn right onto South Utah Avenue
2435 ft · 50 sec · South Utah Avenue
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15
Enter the roundabout and take exit 1 toward South Utah Avenue
31 m · 2 sec · South Utah Avenue
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16
Exit the roundabout onto South Utah Avenue
781 ft · 23 sec · South Utah Avenue
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17
Turn left onto Pancheri Drive
1930 ft · 43 sec · Pancheri Drive
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18
Continue on West 17th Street
1.1 mi · 2 min · West 17th Street
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19
Turn right onto South Holmes Avenue
1.6 km · 2 min · South Holmes Avenue
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20
Turn left onto East Sunnyside Road
2.9 mi · 5 min · East Sunnyside Road
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21
Turn left onto Central Avenue
753 ft · 35 sec · Central Avenue
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22
Turn right onto Molen Street
41 m · 6 sec · Molen Street
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23
Arrive at your destination
0 m · 1 sec · Molen Street
Car Route Details
A richer read on the saved driving route between Rathdrum and Ammon.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 90
Merge slight left
282 mi · 04h 45m
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.
Mostly Sunny leaving Rathdrum and Slight Chance Snow Showers near Ammon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rathdrum to Ammon?
The road trip is about 498 miles (801.4 km) and usually takes 07h 34m 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 247.6 miles from Rathdrum and 250.4 miles from Ammon.
How much longer is the road route than the straight-line distance?
The direct path is about 382.9 miles (616.2 km), while the road route adds roughly 115.1 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 6:00 AM to 7:30 AM PDT. 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 $68.40 one way or $136.80 round trip. Estimated CO2 is about 156.1 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Rathdrum and Ammon, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Rathdrum and Slight Chance Snow Showers near Ammon.
Flight Path Map
This map shows the direct air route between Rathdrum and Ammon. Straight-line distance: 382.91 mi (616.23 km).
#1 Rathdrum
City in Koostenai County, Idaho, United States
| Population | 9,150 |
| Coordinates | 47.8124000, -116.8965900 |
| Altitude | 674 |
| Country | United States |
#2 Ammon
City in Idaho, United States
| Population | 17,115 |
| Coordinates | 43.4696400, -111.9666400 |
| Altitude | 1437 |
| Country | United States |
End: Molen Street (-111.966641, 43.469622)
Estimated Travel Time
Distance: 801 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 16h 35m |
| 40 mph (64.37 km/h) | 12h 26m |
| 50 mph (80.47 km/h) | 09h 57m |
| 60 mph (96.56 km/h) | 08h 17m |
| 70 mph (112.65 km/h) | 07h 06m |
| 80 mph (129 km/h) | 06h 12m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $68.40 | $136.80 |
| Mid-grade | $4.23 | $74.34 | $148.68 |
| Premium | $4.55 | $79.93 | $159.85 |
| Diesel | $5.41 | $95.09 | $190.18 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.