How far is Prairie City, OR from Mount Vernon, OR?
The driving distance from Prairie City, OR to Mount Vernon, OR is about 21.2 miles (34.1 km), with a travel time of about 00h 27m by car.
- The straight-line flight distance is about 20.1 miles (32.4 km).
- For a round trip, plan for roughly 00h 54m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM PDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 27m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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 Oregon, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain And Snow
Chance Light Rain
Driving Route Map
The map below follows the saved road route between Prairie City and Mount Vernon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Prairie City and Mount Vernon.
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1
Start on Water Alley
108 m · 31 sec · Water Alley
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2
Turn left onto Mc Haley Avenue
55 m · 10 sec · Mc Haley Avenue
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3
Turn right onto Front Street
1489 ft · 25 sec · Front Street
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4
Continue on John Day Highway
10.7 mi · 16 min · John Day Highway
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5
Continue on East Main Street
3.6 mi · 5 min · East Main Street
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6
Continue on John Day Highway
6.3 mi · 9 min · John Day Highway
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7
Continue on East Main Street
1310 ft · 22 sec · East Main Street
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8
Arrive at your destination
0 m · 1 sec · West Main Street
Car Route Details
A richer read on the saved driving route between Prairie City and Mount Vernon.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
John Day Highway
Continue on John Day Highway
10.7 mi · 00h 16m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Chance Rain And Snow leaving Prairie City and Chance Light Rain near Mount Vernon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Prairie City to Mount Vernon?
The road trip is about 21.2 miles (34.1 km) and usually takes 00h 27m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
John Day is a useful midpoint, sitting about 10.6 miles from Prairie City and 10.6 miles from Mount Vernon.
How much longer is the road route than the straight-line distance?
The direct path is about 20.1 miles (32.4 km), while the road route adds roughly 1.1 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 7:00 AM to 7:00 PM PDT. If you want a more comfortable same-day return, try to leave by 7:36 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.71 one way or $7.43 round trip. Estimated CO2 is about 6.7 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain And Snow around Prairie City and Chance Light Rain near Mount Vernon.
Stop Ideas Near John Day
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 John Day.
Burns, Oregon
Baker City, Oregon
Flight Path Map
This map shows the direct air route between Prairie City and Mount Vernon. Straight-line distance: 20.16 mi (32.44 km).
#1 Prairie City
City in Oregon, USA
| Population | 876 |
| Coordinates | 44.4632100, -118.7099500 |
| Altitude | 1080 |
| Country | United States |
#2 Mount Vernon
City in Oregon, USA
| Population | 511 |
| Coordinates | 44.4176500, -119.1135700 |
| Altitude | 873 |
| Country | United States |
End: West Main Street (-119.113571, 44.41775)
Estimated Travel Time
Distance: 34 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 42m |
| 40 mph (64.37 km/h) | 00h 31m |
| 50 mph (80.47 km/h) | 00h 25m |
| 60 mph (96.56 km/h) | 00h 21m |
| 70 mph (112.65 km/h) | 00h 18m |
| 80 mph (129 km/h) | 00h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $3.71 | $7.43 |
| Mid-grade | $5.34 | $4.00 | $8.01 |
| Premium | $5.57 | $4.17 | $8.35 |
| Diesel | $6.37 | $4.77 | $9.55 |
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 Oregon · 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.