How far is Nampa, ID from American Falls, ID?
The driving distance from Nampa, ID to American Falls, ID is about 228.7 miles (368 km), with a travel time of about 03h 47m by car.
- The straight-line flight distance is about 194.1 miles (312.3 km).
- For a round trip, plan for roughly 07h 34m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 03h 47m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Gooding County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Nampa and American Falls.
Turn-by-Turn Driving Directions
Step-by-step road directions between Nampa and American Falls.
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1
Start on Stony Meadow Drive
56 m · 14 sec · Stony Meadow Drive
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2
Turn left onto Sunny Ridge Road
1 mi · 2 min · Sunny Ridge Road
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3
Continue on Holly Street
1556 ft · 45 sec · Holly Street
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4
Continue on East Bird Avenue
911 ft · 25 sec · East Bird Avenue
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5
Continue on Fern Street
1355 ft · 37 sec · Fern Street
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6
Continue on East Sheridan Avenue
602 ft · 17 sec · East Sheridan Avenue
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7
Continue on Holly Street
1617 ft · 46 sec · Holly Street
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8
Continue on 16th Avenue South
1.1 km · 2 min · 16th Avenue South
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9
Continue on 16th Avenue Overpass
764 ft · 15 sec · 16th Avenue Overpass
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10
Continue on 16th Avenue North
1.2 km · 2 min · 16th Avenue North
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11
Turn right onto Garrity Boulevard
1.8 mi · 3 min · Garrity Boulevard
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12
Take the ramp slight right toward I 84 East: Meridian, Boise
1965 ft · 26 sec
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13
Merge slight left onto Vietnam Veterans Memorial Highway
10.8 mi · 12 min · Vietnam Veterans Memorial Highway
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14
Keep slight right to continue on Vietnam Veterans Memorial Highway
172.3 mi · 2 hr 43 min · Vietnam Veterans Memorial Highway
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15
Continue straight
36.4 mi · 34 min
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16
Take the exit slight right toward I 86 Business, ID 37: Rockland, American Falls
1082 ft · 29 sec
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17
Turn left onto South Frontage Road
2.1 mi · 3 min · South Frontage Road
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18
Continue on Lincoln Street
2230 ft · 38 sec · Lincoln Street
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19
Continue on Fort Hall Avenue
2888 ft · 1 min · Fort Hall Avenue
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20
Turn left
53 m · 13 sec
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21
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Nampa and American Falls.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Vietnam Veterans Memorial Highway
Keep slight right to continue on Vietnam Veterans Memorial Highway
172 mi · 02h 43m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Partly Sunny leaving Nampa and Sunny near American Falls.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Nampa to American Falls?
The road trip is about 228.7 miles (368 km) and usually takes 03h 47m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Hagerman is a useful midpoint, sitting about 114.1 miles from Nampa and 114.5 miles from American Falls.
How much longer is the road route than the straight-line distance?
The direct path is about 194.1 miles (312.3 km), while the road route adds roughly 34.6 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 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 9:26 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $31.42 one way or $62.83 round trip. Estimated CO2 is about 71.7 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Nampa and Sunny near American Falls.
Stop Ideas Near Hagerman
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hagerman.
Twin Falls, Idaho
Flight Path Map
This map shows the direct air route between Nampa and American Falls. Straight-line distance: 194.04 mi (312.28 km).
#1 Nampa
The most populous city in Canyon County, Idaho.
| Population | 99,277 |
| Coordinates | 43.5407200, -116.5634600 |
| Altitude | 767 |
| Country | United States |
#2 American Falls
City in Idaho
| Population | 4,315 |
| Coordinates | 42.7860200, -112.8544400 |
| Altitude | 1343 |
| Country | United States |
End: American Falls (-112.85444, 42.78602)
Estimated Travel Time
Distance: 368 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 37m |
| 40 mph (64.37 km/h) | 05h 42m |
| 50 mph (80.47 km/h) | 04h 34m |
| 60 mph (96.56 km/h) | 03h 48m |
| 70 mph (112.65 km/h) | 03h 15m |
| 80 mph (129 km/h) | 02h 51m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $31.42 | $62.83 |
| Mid-grade | $4.23 | $34.14 | $68.29 |
| Premium | $4.55 | $36.71 | $73.42 |
| Diesel | $5.41 | $43.67 | $87.35 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.