How far is Saint Joseph, MO from Washington County, MO?
The driving distance from Saint Joseph, MO to Washington County, MO is about 328.6 miles (528.9 km), with a travel time of about 06h 45m by car.
- The straight-line flight distance is about 247.3 miles (398 km).
- For a round trip, plan for roughly 13h 30m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
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 45m.
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 Cooper County, Missouri, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Saint Joseph and Washington County.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Joseph and Washington County.
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1
Start on Walter Welsh Avenue
127 m · 9 sec · Walter Welsh Avenue
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2
Turn right onto North 12th Street
91 m · 10 sec · North 12th Street
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3
Turn right onto Francis Street
1130 ft · 38 sec · Francis Street
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4
Turn left onto North 9th Street
1.2 mi · 2 min · North 9th Street
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5
Take the ramp slight right
741 ft · 16 sec
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6
Merge slight left
929 ft · 20 sec
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7
Take the exit slight left toward I 229 South, US 59 South: Kansas City
992 ft · 21 sec
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8
Merge slight left
4.5 mi · 5 min
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9
Keep slight right to continue on I 29 South, US 71 South: Kansas City
1705 ft · 29 sec
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10
Merge slight left
26.1 mi · 28 min
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11
Merge slight right
2.2 mi · 2 min
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12
Keep slight right to continue on I 435 East: Saint Louis
28 mi · 31 min
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13
Keep slight right to continue on I 70, US 24 West, US 40: Saint Louis, Kansas City, Sports Complex
1500 ft · 23 sec
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14
Keep slight left to continue on I 70 East: Saint Louis
1.2 mi · 2 min
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15
Keep slight left to continue on I 70 East: Saint Louis
143 m · 12 sec
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16
Merge slight left onto George Brett Super Highway
2213 ft · 29 sec · George Brett Super Highway
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17
Continue on Truman/Eisenhower Presidential Highway
2.9 mi · 3 min · Truman/Eisenhower Presidential Highway
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18
Continue on Clifton J. Scott Memorial Highway
1.8 mi · 2 min · Clifton J. Scott Memorial Highway
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19
Continue on Truman/Eisenhower Presidential Highway
2.6 mi · 3 min · Truman/Eisenhower Presidential Highway
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20
Continue on Dwight D. Eisenhower Highway
52.5 mi · 57 min · Dwight D. Eisenhower Highway
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21
Continue on U.S. Submarine Veterans' Memorial Highway
32 mi · 34 min · U.S. Submarine Veterans' Memorial Highway
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22
Keep slight left to continue on U.S. Submarine Veterans' Memorial Highway
22.4 mi · 24 min · U.S. Submarine Veterans' Memorial Highway
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23
Continue on Dwight D. Eisenhower Highway
1.8 mi · 2 min · Dwight D. Eisenhower Highway
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24
Continue on Highway Patrol Sgt. Benjamin Booth Memorial Highway
1.6 mi · 2 min · Highway Patrol Sgt. Benjamin Booth Memorial Highway
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25
Continue on Sheriff Roger I. Wilson Memorial Highway
1.5 mi · 2 min · Sheriff Roger I. Wilson Memorial Highway
-
26
Take the exit slight right toward US 63: Jefferson City, Moberly
748 ft · 16 sec
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27
Turn slight right onto US 63 South: Jefferson City
59 m · 4 sec
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28
Merge slight left
159 m · 12 sec
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29
Take the exit straight toward US 63 South: Jefferson City
2329 ft · 50 sec
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30
Merge slight left
27.1 mi · 29 min
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31
Take the exit slight right toward US 54 West, US 63 South: Jefferson City
1.5 mi · 2 min
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32
Take the exit slight right toward US 63 South, US 50
66 m · 5 sec
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33
Keep slight left to continue on US 63 South, US 50
724 ft · 16 sec
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34
Keep slight left to continue on US 63 South, US 50 East
547 ft · 15 sec
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35
Keep slight left
12 mi · 15 min
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36
Keep slight right to continue on US 63 South: Rolla
38.2 mi · 50 min
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37
Turn left
25.2 mi · 37 min
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38
Continue straight
4.5 mi · 7 min
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39
At the end of the road, turn right onto Main Street
26.5 mi · 40 min · Main Street
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40
Turn left
7.7 mi · 19 min
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41
Turn right
2765 ft · 2 min
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42
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Saint Joseph and Washington County.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Dwight D. Eisenhower Highway
Continue on Dwight D. Eisenhower Highway
52.5 mi · 00h 57m
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 Likely leaving Saint Joseph and Showers And Thunderstorms near Washington County.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Joseph to Washington County?
The road trip is about 328.6 miles (528.9 km) and usually takes 06h 45m 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?
Boonville is a useful midpoint, sitting about 163.8 miles from Saint Joseph and 164.8 miles from Washington County.
How much longer is the road route than the straight-line distance?
The direct path is about 247.3 miles (398 km), while the road route adds roughly 81.3 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 CDT. 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 $46.11 one way or $92.22 round trip. Estimated CO2 is about 103.1 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Saint Joseph and Showers And Thunderstorms near Washington County.
Stop Ideas Near Boonville
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 Boonville.
Sedalia
Jefferson City
Warrensburg
Hermann
Flight Path Map
This map shows the direct air route between Saint Joseph and Washington County. Straight-line distance: 247.32 mi (398.02 km).
#1 Saint Joseph
The most populous city in Buchanan County, Missouri.
| Population | 74,074 |
| Coordinates | 39.7686100, -94.8466300 |
| Altitude | 270 |
| Country | United States |
#2 Washington County
County in Missouri, United States
| Population | 24,604 |
| Coordinates | 37.9616800, -90.8774200 |
| Altitude | 292 |
| Country | United States |
End: Washington County (-90.87742, 37.96168)
Estimated Travel Time
Distance: 529 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 57m |
| 40 mph (64.37 km/h) | 08h 12m |
| 50 mph (80.47 km/h) | 06h 34m |
| 60 mph (96.56 km/h) | 05h 28m |
| 70 mph (112.65 km/h) | 04h 41m |
| 80 mph (129 km/h) | 04h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.98 | $46.11 | $92.22 |
| Mid-grade | $4.34 | $50.36 | $100.71 |
| Premium | $4.71 | $54.60 | $109.20 |
| Diesel | $5.99 | $69.46 | $138.92 |
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 Missouri · Oct 15, 2026