How far is Fremont County, ID from Idaho Falls, ID?
The driving distance from Fremont County, ID to Idaho Falls, ID is about 72 miles (115.9 km), with a travel time of about 01h 20m by car.
- The straight-line flight distance is about 59.4 miles (95.6 km).
- For a round trip, plan for roughly 02h 41m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
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.
This route works well as a day trip with time at the destination.
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 01h 20m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Madison County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Fremont County and Idaho Falls.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fremont County and Idaho Falls.
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1
Start on South Antelope Flat Road
4.3 mi · 17 min · South Antelope Flat Road
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2
At the end of the road, turn right onto Idaho Medal of Honor Highway
25.5 mi · 29 min · Idaho Medal of Honor Highway
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3
Continue on Yellowstone Highway
17.2 mi · 18 min · Yellowstone Highway
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4
Continue on Idaho Medal of Honor Highway
15.4 mi · 16 min · Idaho Medal of Honor Highway
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5
Continue on Rigby Highway
3169 ft · 39 sec · Rigby Highway
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6
Take the exit slight right toward US 20 Business: Lewisville, Idaho Falls
1314 ft · 38 sec
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7
Turn left onto North 5th East
925 ft · 16 sec · North 5th East
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8
Continue on North Holmes Avenue
3.9 mi · 8 min · North Holmes Avenue
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9
Turn right onto East Sunnyside Road
2578 ft · 51 sec · East Sunnyside Road
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10
Turn left onto Stonebrook Lane
142 m · 15 sec · Stonebrook Lane
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11
Turn right onto West Stone Run Lane
74 m · 16 sec · West Stone Run Lane
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12
Turn left onto Charleston Lane
46 m · 7 sec · Charleston Lane
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13
Arrive at your destination
0 m · 1 sec · Charleston Lane
Car Route Details
A richer read on the saved driving route between Fremont County and Idaho 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.
Idaho Medal of Honor Highway
At the end of the road, turn right onto Idaho Medal of Honor Highway
25.5 mi · 00h 29m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Sunny leaving Fremont County and Sunny near Idaho Falls.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fremont County to Idaho Falls?
The road trip is about 72 miles (115.9 km) and usually takes 01h 20m 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?
Sugar City is a useful midpoint, sitting about 34 miles from Fremont County and 38 miles from Idaho Falls.
How much longer is the road route than the straight-line distance?
The direct path is about 59.4 miles (95.6 km), while the road route adds roughly 12.6 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 3:48 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.89 one way or $19.78 round trip. Estimated CO2 is about 22.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Fremont County and Sunny near Idaho Falls.
Flight Path Map
This map shows the direct air route between Fremont County and Idaho Falls. Straight-line distance: 59.42 mi (95.62 km).
#1 Fremont County
County in Idaho, United States
| Population | 13,099 |
| Coordinates | 44.2287900, -111.4820200 |
| Altitude | 1892 |
| Country | United States |
#2 Idaho Falls
The most populous city in Bonneville County, Idaho.
| Population | 62,888 |
| Coordinates | 43.4665800, -112.0341400 |
| Altitude | 1434 |
| Country | United States |
End: Charleston Lane (-112.034479, 43.46658)
Estimated Travel Time
Distance: 116 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 23m |
| 40 mph (64.37 km/h) | 01h 48m |
| 50 mph (80.47 km/h) | 01h 26m |
| 60 mph (96.56 km/h) | 01h 12m |
| 70 mph (112.65 km/h) | 01h 01m |
| 80 mph (129 km/h) | 00h 53m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $9.89 | $19.78 |
| Mid-grade | $4.23 | $10.75 | $21.49 |
| Premium | $4.55 | $11.55 | $23.11 |
| Diesel | $5.41 | $13.75 | $27.49 |
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.