How far is Nampa, ID from Saint Maries, ID?
The driving distance from Nampa, ID to Saint Maries, ID is about 360.6 miles (580.4 km), with a travel time of about 07h 47m by car.
- The straight-line flight distance is about 260.7 miles (419.6 km).
- For a round trip, plan for roughly 15h 35m 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 47m.
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.
Rain Showers
Rain
Driving Route Map
The map below follows the saved road route between Nampa and Saint Maries.
Turn-by-Turn Driving Directions
Step-by-step road directions between Nampa and Saint Maries.
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1
Start on Stony Meadow Drive
56 m · 14 sec · Stony Meadow Drive
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2
Turn left onto Sunny Ridge Road
1 mi · 2 min · Sunny Ridge Road
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3
Continue on Holly Street
1556 ft · 45 sec · Holly Street
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4
Continue on East Bird Avenue
911 ft · 25 sec · East Bird Avenue
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5
Continue on Fern Street
1355 ft · 37 sec · Fern Street
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6
Continue on East Sheridan Avenue
602 ft · 17 sec · East Sheridan Avenue
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7
Continue on Holly Street
1617 ft · 46 sec · Holly Street
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8
Continue on 16th Avenue South
1110 ft · 38 sec · 16th Avenue South
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9
Turn left onto 7th Street South
1.3 km · 2 min · 7th Street South
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10
Continue on North Yale Street
1990 ft · 40 sec · North Yale Street
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11
Continue on Northside Boulevard
1.1 mi · 2 min · Northside Boulevard
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12
Take the ramp slight left
1558 ft · 38 sec
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13
Merge slight left onto Vietnam Veterans Memorial Highway
35.7 mi · 36 min · Vietnam Veterans Memorial Highway
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14
Take the exit slight right toward US 30 East: Fruitland, Payette
1392 ft · 34 sec
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15
Turn right onto East Idaho Avenue
3102 ft · 52 sec · East Idaho Avenue
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16
Continue on Northwest 16th Street
3101 ft · 54 sec · Northwest 16th Street
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17
Turn left onto North Whitley Drive
2.1 mi · 4 min · North Whitley Drive
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18
Turn slight right onto South 16th Street
35.9 mi · 44 min · South 16th Street
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19
Continue on Railroad Street
8.5 mi · 11 min · Railroad Street
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20
Take the exit slight right toward Superior Street
111 m · 12 sec · Superior Street
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21
Merge slight left onto East Central Boulevard
46.6 mi · 1 hr · East Central Boulevard
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22
Turn left onto North Norris Avenue
76.4 mi · 1 hr 27 min · North Norris Avenue
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23
Turn left onto Johnston Road
2.2 mi · 5 min · Johnston Road
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24
At the end of the road, turn left
59.9 mi · 1 hr 10 min
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25
Take the exit slight right toward US 12 East
1345 ft · 57 sec
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26
Merge slight left
4.1 mi · 5 min
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27
Turn left onto State Highway 3
48 m · 7 sec · State Highway 3
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28
Continue on State Highway 3
6.3 mi · 11 min · State Highway 3
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29
Continue on Highway 3
2.4 mi · 4 min · Highway 3
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30
Continue on Main Street
2971 ft · 1 min · Main Street
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31
Continue on Highway 3
2.9 mi · 5 min · Highway 3
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32
Continue on Main Street
1.2 mi · 2 min · Main Street
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33
Continue on Highway 3
14.9 mi · 20 min · Highway 3
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34
Continue on Wyoming Street
2116 ft · 56 sec · Wyoming Street
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35
At the end of the road, turn left onto 2nd Avenue
3005 ft · 2 min · 2nd Avenue
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36
Continue on State Highway 8
992 ft · 18 sec · State Highway 8
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37
Turn right onto State Highway 9
13.4 mi · 18 min · State Highway 9
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38
At the end of the road, turn right onto State Highway 6
7.7 mi · 10 min · State Highway 6
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39
Continue on ID-6
9.3 mi · 16 min · ID-6
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40
Continue on State Highway 6
8 mi · 14 min · State Highway 6
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41
Keep slight left to continue on State Highway 6
1120 ft · 22 sec · State Highway 6
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42
Turn straight onto Highway 3 South
14.3 mi · 25 min · Highway 3 South
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43
Continue on East College Avenue
753 ft · 22 sec · East College Avenue
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44
Turn left onto South 3rd Street
110 m · 18 sec · South 3rd Street
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45
Turn right onto West Jefferson Avenue
15 m · 2 sec · West Jefferson Avenue
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46
Arrive at your destination
0 m · 1 sec · West Jefferson Avenue
Car Route Details
A richer read on the saved driving route between Nampa 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.
Rain Showers leaving Nampa and Rain near Saint Maries.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Nampa to Saint Maries?
The road trip is about 360.6 miles (580.4 km) and usually takes 07h 47m 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?
Riggins is a useful midpoint, sitting about 180.2 miles from Nampa and 180.4 miles from Saint Maries.
How much longer is the road route than the straight-line distance?
The direct path is about 260.7 miles (419.6 km), while the road route adds roughly 99.9 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 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 $49.56 one way or $99.12 round trip. Estimated CO2 is about 113.1 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Nampa and Saint Maries, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Rain Showers around Nampa and Rain near Saint Maries.
Stop Ideas Near Riggins
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 Riggins.
Grangeville, Idaho
McCall, Idaho
Flight Path Map
This map shows the direct air route between Nampa and Saint Maries. Straight-line distance: 260.73 mi (419.61 km).
#1 Nampa
The most populous city in Canyon County, Idaho.
| Population | 99,277 |
| Coordinates | 43.5407200, -116.5634600 |
| Altitude | 767 |
| 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: 580 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 00m |
| 40 mph (64.37 km/h) | 09h 00m |
| 50 mph (80.47 km/h) | 07h 12m |
| 60 mph (96.56 km/h) | 06h 00m |
| 70 mph (112.65 km/h) | 05h 09m |
| 80 mph (129 km/h) | 04h 29m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $49.56 | $99.12 |
| Mid-grade | $4.23 | $53.86 | $107.72 |
| Premium | $4.55 | $57.91 | $115.82 |
| Diesel | $5.41 | $68.89 | $137.79 |
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.