How far is Saint Maries, ID from Pocatello, ID?
The driving distance from Saint Maries, ID to Pocatello, ID is about 538.3 miles (866.3 km), with a travel time of about 08h 16m by car.
- The straight-line flight distance is about 366.7 miles (590.2 km).
- For a round trip, plan for roughly 16h 33m 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 08h 16m.
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.
Slight Chance Light Rain
Chance Snow Showers
Driving Route Map
The map below follows the saved road route between Saint Maries and Pocatello.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Maries and Pocatello.
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1
Start on West Jefferson Avenue
15 m · 8 sec · West Jefferson Avenue
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2
Turn left onto South 3rd Street
882 ft · 27 sec · South 3rd Street
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3
Continue on Highway 3 North
10.7 mi · 16 min · Highway 3 North
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4
Continue on South Highway 3
21.8 mi · 32 min · South Highway 3
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5
Take the ramp right
1146 ft · 28 sec
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6
Merge slight left
256.2 mi · 4 hr 14 min
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7
Take the exit slight right toward I 15 South: Dillon, Idaho Falls
2694 ft · 1 min
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8
Merge slight left
245.5 mi · 3 hr 51 min
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9
Take the exit slight right toward Pocatello Creek Road
1323 ft · 32 sec
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10
Keep slight right
2424 ft · 1 min
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11
Turn left onto Jefferson Avenue
1 mi · 2 min · Jefferson Avenue
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12
At the end of the road, turn right onto East Oak Street
101 m · 12 sec · East Oak Street
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13
Turn left onto North 12th Avenue
637 ft · 25 sec · North 12th Avenue
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14
Turn right onto East Bridger Street
1802 ft · 1 min · East Bridger Street
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15
Turn left onto North 7th Avenue
151 m · 22 sec · North 7th Avenue
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16
Arrive at your destination
0 m · 1 sec · North 7th Avenue
Car Route Details
A richer read on the saved driving route between Saint Maries and Pocatello.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
South Highway 3
Merge slight left
256 mi · 04h 14m
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.
Slight Chance Light Rain leaving Saint Maries and Chance Snow Showers near Pocatello.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Maries to Pocatello?
The road trip is about 538.3 miles (866.3 km) and usually takes 08h 16m 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 268.5 miles from Saint Maries and 269.8 miles from Pocatello.
How much longer is the road route than the straight-line distance?
The direct path is about 366.7 miles (590.2 km), while the road route adds roughly 171.6 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 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 $73.93 one way or $147.86 round trip. Estimated CO2 is about 168.8 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Saint Maries and Pocatello, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Slight Chance Light Rain around Saint Maries and Chance Snow Showers near Pocatello.
Flight Path Map
This map shows the direct air route between Saint Maries and Pocatello. Straight-line distance: 366.71 mi (590.17 km).
#1 Saint Maries
River in the United States of America
| Population | 2,448 |
| Coordinates | 47.3143500, -116.5626700 |
| Altitude | 668 |
| Country | United States |
#2 Pocatello
The most populous city in Bannock County, Idaho.
| Population | 56,637 |
| Coordinates | 42.8713000, -112.4455300 |
| Altitude | 1360 |
| Country | United States |
End: North 7th Avenue (-112.445543, 42.871292)
Estimated Travel Time
Distance: 866 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 17h 56m |
| 40 mph (64.37 km/h) | 13h 27m |
| 50 mph (80.47 km/h) | 10h 45m |
| 60 mph (96.56 km/h) | 08h 58m |
| 70 mph (112.65 km/h) | 07h 41m |
| 80 mph (129 km/h) | 06h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $73.93 | $147.86 |
| Mid-grade | $4.23 | $80.35 | $160.69 |
| Premium | $4.55 | $86.39 | $172.77 |
| Diesel | $5.41 | $102.77 | $205.55 |
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 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.