How far is Saint Maries, ID from Caldwell, ID?
The driving distance from Saint Maries, ID to Caldwell, ID is about 351.6 miles (565.9 km), with a travel time of about 06h 33m by car.
- The straight-line flight distance is about 252.3 miles (406.1 km).
- For a round trip, plan for roughly 13h 07m 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 06h 33m.
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 Idaho County, Idaho, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Light Rain
Driving Route Map
The map below follows the saved road route between Saint Maries and Caldwell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Maries and Caldwell.
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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
110 m · 20 sec · South 3rd Street
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3
Turn right onto College Avenue
753 ft · 15 sec · College Avenue
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4
Continue on Highway 3 South
14.3 mi · 25 min · Highway 3 South
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5
Keep slight right to continue on State Highway 6
8.2 mi · 14 min · State Highway 6
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6
Continue on ID-6
9.3 mi · 16 min · ID-6
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7
Continue on State Highway 6
7.7 mi · 11 min · State Highway 6
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8
Turn left onto State Highway 9
13.4 mi · 18 min · State Highway 9
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9
At the end of the road, turn left onto State Highway 8
992 ft · 15 sec · State Highway 8
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10
Continue on West 2nd Avenue
3005 ft · 2 min · West 2nd Avenue
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11
Turn right onto Wyoming Street
2116 ft · 51 sec · Wyoming Street
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12
Continue on Highway 3
14.9 mi · 20 min · Highway 3
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13
Continue on Main Street
1.2 mi · 2 min · Main Street
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14
Continue on Highway 3
2.9 mi · 5 min · Highway 3
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15
Continue on Main Street
2971 ft · 1 min · Main Street
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16
Continue on Highway 3
2.4 mi · 4 min · Highway 3
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17
Continue on State Highway 3
6.3 mi · 11 min · State Highway 3
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18
Continue on State Highway 3
48 m · 9 sec · State Highway 3
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19
Turn right onto Arrow Bridge
4.7 mi · 6 min · Arrow Bridge
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20
Merge slight left
60.3 mi · 1 hr 10 min
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21
Turn right onto Johnston Road
2.2 mi · 5 min · Johnston Road
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22
Turn right
76.4 mi · 1 hr 27 min
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23
Take the exit slight right toward Virginia Street
46.6 mi · 1 hr · Virginia Street
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24
Turn left onto Superior Street
44.4 mi · 55 min · Superior Street
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25
Turn left onto South Main Street
2.1 mi · 4 min · South Main Street
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26
Take the exit slight right
531 ft · 15 sec
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27
Continue on Northwest 16th Street
2821 ft · 47 sec · Northwest 16th Street
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28
Continue on East Idaho Avenue
1.2 km · 1 min · East Idaho Avenue
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29
Turn left
1512 ft · 37 sec
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30
Merge slight left onto Old Oregon Trail Highway
27.7 mi · 26 min · Old Oregon Trail Highway
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31
Continue on Idaho Medal of Honor Highway
1.1 km · 48 sec · Idaho Medal of Honor Highway
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32
Take the exit slight right toward City Center, 10th Avenue
1563 ft · 42 sec
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33
Turn right onto North 10th Avenue
1 km · 2 min · North 10th Avenue
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34
Turn left
21 m · 7 sec
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35
Turn right
24 m · 6 sec
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36
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Saint Maries and Caldwell.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Longest stretch
Turn right
76.4 mi · 01h 27m
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 Sunny near Caldwell.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Maries to Caldwell?
The road trip is about 351.6 miles (565.9 km) and usually takes 06h 33m 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?
White Bird is a useful midpoint, sitting about 175 miles from Saint Maries and 176.7 miles from Caldwell.
How much longer is the road route than the straight-line distance?
The direct path is about 252.3 miles (406.1 km), while the road route adds roughly 99.3 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 $48.31 one way or $96.62 round trip. Estimated CO2 is about 110.3 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 Caldwell, 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 Sunny near Caldwell.
Stop Ideas Near White Bird
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 White Bird.
Grangeville, Idaho
Lewiston, Idaho
McCall, Idaho
Flight Path Map
This map shows the direct air route between Saint Maries and Caldwell. Straight-line distance: 252.36 mi (406.13 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 Caldwell
The most populous city in Canyon County, Idaho.
| Population | 58,481 |
| Coordinates | 43.6629400, -116.6873600 |
| Altitude | 724 |
| Country | United States |
End: (-116.687278, 43.66289)
Estimated Travel Time
Distance: 566 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 43m |
| 40 mph (64.37 km/h) | 08h 47m |
| 50 mph (80.47 km/h) | 07h 01m |
| 60 mph (96.56 km/h) | 05h 51m |
| 70 mph (112.65 km/h) | 05h 01m |
| 80 mph (129 km/h) | 04h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $48.31 | $96.62 |
| Mid-grade | $4.23 | $52.51 | $105.01 |
| Premium | $4.55 | $56.45 | $112.91 |
| Diesel | $5.41 | $67.16 | $134.33 |
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.