How far is Caldwell, ID from Saint Maries, ID?
The driving distance from Caldwell, ID to Saint Maries, ID is about 349.4 miles (562.3 km), with a travel time of about 07h 31m by car.
- The straight-line flight distance is about 252.3 miles (406.1 km).
- For a round trip, plan for roughly 15h 02m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM MDT.
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 31m.
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 Caldwell and Saint Maries.
Turn-by-Turn Driving Directions
Step-by-step road directions between Caldwell and Saint Maries.
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1
Start on the route
28 m · 12 sec
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2
Turn left onto Cleveland Boulevard
22 m · 4 sec · Cleveland Boulevard
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3
Turn right
43 m · 13 sec
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4
Turn right
46 m · 13 sec
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5
Turn right onto South 10th Avenue
1.1 km · 2 min · South 10th Avenue
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6
Continue on North Illinois Avenue
712 ft · 24 sec · North Illinois Avenue
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7
Take the ramp left
1133 ft · 28 sec
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8
Merge slight left onto Vietnam Veterans Memorial Highway
28.4 mi · 27 min · Vietnam Veterans Memorial Highway
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9
Take the exit slight right toward US 30 East: Fruitland, Payette
1392 ft · 34 sec
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10
Turn right onto East Idaho Avenue
3102 ft · 52 sec · East Idaho Avenue
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11
Continue on Northwest 16th Street
3101 ft · 54 sec · Northwest 16th Street
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12
Turn left onto North Whitley Drive
2.1 mi · 4 min · North Whitley Drive
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13
Turn slight right onto South 16th Street
35.9 mi · 44 min · South 16th Street
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14
Continue on Railroad Street
8.5 mi · 11 min · Railroad Street
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15
Take the exit slight right toward Superior Street
111 m · 12 sec · Superior Street
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16
Merge slight left onto East Central Boulevard
46.6 mi · 1 hr · East Central Boulevard
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17
Turn left onto North Norris Avenue
76.4 mi · 1 hr 27 min · North Norris Avenue
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18
Turn left onto Johnston Road
2.2 mi · 5 min · Johnston Road
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19
At the end of the road, turn left
59.9 mi · 1 hr 10 min
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20
Take the exit slight right toward US 12 East
1345 ft · 57 sec
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21
Merge slight left
4.1 mi · 5 min
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22
Turn left onto State Highway 3
48 m · 7 sec · State Highway 3
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23
Continue on State Highway 3
6.3 mi · 11 min · State Highway 3
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24
Continue on Highway 3
2.4 mi · 4 min · Highway 3
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25
Continue on Main Street
2971 ft · 1 min · Main Street
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26
Continue on Highway 3
2.9 mi · 5 min · Highway 3
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27
Continue on Main Street
1.2 mi · 2 min · Main Street
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28
Continue on Highway 3
14.9 mi · 20 min · Highway 3
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29
Continue on Wyoming Street
2116 ft · 56 sec · Wyoming Street
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30
At the end of the road, turn left onto 2nd Avenue
3005 ft · 2 min · 2nd Avenue
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31
Continue on State Highway 8
992 ft · 18 sec · State Highway 8
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32
Turn right onto State Highway 9
13.4 mi · 18 min · State Highway 9
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33
At the end of the road, turn right onto State Highway 6
7.7 mi · 10 min · State Highway 6
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34
Continue on ID-6
9.3 mi · 16 min · ID-6
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35
Continue on State Highway 6
8 mi · 14 min · State Highway 6
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36
Keep slight left to continue on State Highway 6
1120 ft · 22 sec · State Highway 6
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37
Turn straight onto Highway 3 South
14.3 mi · 25 min · Highway 3 South
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38
Continue on East College Avenue
753 ft · 22 sec · East College Avenue
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39
Turn left onto South 3rd Street
110 m · 18 sec · South 3rd Street
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40
Turn right onto West Jefferson Avenue
15 m · 2 sec · West Jefferson Avenue
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41
Arrive at your destination
0 m · 1 sec · West Jefferson Avenue
Car Route Details
A richer read on the saved driving route between Caldwell and Saint Maries.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
North Norris Avenue
Turn left onto North Norris Avenue
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.
Sunny leaving Caldwell and Slight Chance Light Rain near Saint Maries.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Caldwell to Saint Maries?
The road trip is about 349.4 miles (562.3 km) and usually takes 07h 31m 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 174.6 miles from Caldwell and 174.9 miles from Saint Maries.
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 97.1 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 MDT. 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 $48.00 one way or $96.00 round trip. Estimated CO2 is about 109.6 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Caldwell and Saint Maries, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Caldwell and Slight Chance Light Rain near Saint Maries.
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 Caldwell and Saint Maries. Straight-line distance: 252.36 mi (406.13 km).
#1 Caldwell
The most populous city in Canyon County, Idaho.
| Population | 58,481 |
| Coordinates | 43.6629400, -116.6873600 |
| Altitude | 724 |
| Country | United States |
#2 Saint Maries
River in the United States of America
| Population | 2,448 |
| Coordinates | 47.3143500, -116.5626700 |
| Altitude | 668 |
| Country | United States |
End: Saint Maries (-116.56267, 47.31435)
Estimated Travel Time
Distance: 562 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 38m |
| 40 mph (64.37 km/h) | 08h 44m |
| 50 mph (80.47 km/h) | 06h 59m |
| 60 mph (96.56 km/h) | 05h 49m |
| 70 mph (112.65 km/h) | 04h 59m |
| 80 mph (129 km/h) | 04h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $48.00 | $96.00 |
| Mid-grade | $4.23 | $52.17 | $104.34 |
| Premium | $4.55 | $56.09 | $112.18 |
| Diesel | $5.41 | $66.73 | $133.46 |
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.