How far is Rathdrum, ID from Rexburg, ID?
The driving distance from Rathdrum, ID to Rexburg, ID is about 485 miles (780.6 km), with a travel time of about 07h 30m by car.
- The straight-line flight distance is about 369.1 miles (594 km).
- For a round trip, plan for roughly 15h 00m 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 30m.
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.
Chance Light Rain
Light Rain Likely then Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Rathdrum and Rexburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rathdrum and Rexburg.
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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
173.6 mi · 2 hr 43 min
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12
Take the exit slight right toward ID 33: Mud Lake, Rexburg
1111 ft · 29 sec
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13
Turn left onto East 1500 North
20.5 mi · 31 min · East 1500 North
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14
Arrive at your destination
0 m · 1 sec · West Main Street
Car Route Details
A richer read on the saved driving route between Rathdrum and Rexburg.
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.
Chance Light Rain leaving Rathdrum 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 Rathdrum to Rexburg?
The road trip is about 485 miles (780.6 km) and usually takes 07h 30m 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 242.3 miles from Rathdrum and 242.7 miles from Rexburg.
How much longer is the road route than the straight-line distance?
The direct path is about 369.1 miles (594 km), while the road route adds roughly 115.9 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 $66.65 one way or $133.30 round trip. Estimated CO2 is about 152.1 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Rathdrum and Rexburg, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Chance Light Rain around Rathdrum and Light Rain Likely then Showers And Thunderstorms Likely near Rexburg.
Flight Path Map
This map shows the direct air route between Rathdrum and Rexburg. Straight-line distance: 369.07 mi (593.96 km).
#1 Rathdrum
City in Koostenai County, Idaho, United States
| Population | 9,150 |
| Coordinates | 47.8124000, -116.8965900 |
| Altitude | 674 |
| 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: 781 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 16h 09m |
| 40 mph (64.37 km/h) | 12h 07m |
| 50 mph (80.47 km/h) | 09h 42m |
| 60 mph (96.56 km/h) | 08h 05m |
| 70 mph (112.65 km/h) | 06h 55m |
| 80 mph (129 km/h) | 06h 03m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $66.65 | $133.30 |
| Mid-grade | $4.23 | $72.43 | $144.87 |
| Premium | $4.55 | $77.88 | $155.76 |
| Diesel | $5.41 | $92.65 | $185.31 |
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.