How far is Fremont County, ID from Rexburg, ID?
The driving distance from Fremont County, ID to Rexburg, ID is about 42.8 miles (68.8 km), with a travel time of about 02h 24m by car.
- The straight-line flight distance is about 31.8 miles (51.1 km).
- For a round trip, plan for roughly 04h 49m 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 02h 24m.
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 and county seat of Fremont County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain And Snow
Light Rain Likely then Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Fremont County and Rexburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fremont County and Rexburg.
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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
9.6 mi · 10 min · Yellowstone Highway
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4
Take the exit slight right toward ID 33: Salmon, Rexburg
1481 ft · 36 sec
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5
Keep slight left to continue on ID 33: Salmon, Rexburg
71 m · 8 sec
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6
Turn straight onto West Main Street
1.1 mi · 2 min · West Main Street
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7
Arrive at your destination
0 m · 1 sec · West Main Street
Car Route Details
A richer read on the saved driving route between Fremont County and Rexburg.
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.
Rain And Snow leaving Fremont County and Light Rain Likely then Showers And Thunderstorms Likely near Rexburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fremont County to Rexburg?
The road trip is about 42.8 miles (68.8 km) and usually takes 02h 24m 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?
Saint Anthony is a useful midpoint, sitting about 20.4 miles from Fremont County and 22.4 miles from Rexburg.
How much longer is the road route than the straight-line distance?
The direct path is about 31.8 miles (51.1 km), while the road route adds roughly 11 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 1:40 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.88 one way or $11.76 round trip. Estimated CO2 is about 13.4 kg one way.
What should you check before leaving?
Before you leave, expect Rain And Snow around Fremont County and Light Rain Likely then Showers And Thunderstorms Likely near Rexburg.
Flight Path Map
This map shows the direct air route between Fremont County and Rexburg. Straight-line distance: 31.75 mi (51.1 km).
#1 Fremont County
County in Idaho, United States
| Population | 13,099 |
| Coordinates | 44.2287900, -111.4820200 |
| Altitude | 1892 |
| Country | United States |
#2 Rexburg
City in and county seat of Madison County, Idaho, United States
| Population | 29,400 |
| Coordinates | 43.8260200, -111.7896900 |
| Altitude | 1483 |
| Country | United States |
End: West Main Street (-111.78969, 43.826057)
Estimated Travel Time
Distance: 69 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 25m |
| 40 mph (64.37 km/h) | 01h 04m |
| 50 mph (80.47 km/h) | 00h 51m |
| 60 mph (96.56 km/h) | 00h 42m |
| 70 mph (112.65 km/h) | 00h 36m |
| 80 mph (129 km/h) | 00h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $5.88 | $11.76 |
| Mid-grade | $4.23 | $6.39 | $12.78 |
| Premium | $4.55 | $6.87 | $13.74 |
| Diesel | $5.41 | $8.17 | $16.34 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.