How far is Princeton, MO from Saint Joseph, MO?
The driving distance from Princeton, MO to Saint Joseph, MO is about 100.9 miles (162.4 km), with a travel time of about 01h 41m by car.
- The straight-line flight distance is about 79.9 miles (128.6 km).
- For a round trip, plan for roughly 03h 22m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 41m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Human settlement in Daviess County, Missouri, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Princeton and Saint Joseph.
Turn-by-Turn Driving Directions
Step-by-step road directions between Princeton and Saint Joseph.
-
1
Start on North College Street
39 m · 5 sec · North College Street
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2
Turn right onto Grant Street
27.2 mi · 40 min · Grant Street
-
3
Continue on Miller Street
1643 ft · 33 sec · Miller Street
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4
Take the ramp left
973 ft · 24 sec
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5
Merge slight left
37.6 mi · 40 min
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6
Take the exit slight right toward US 36, I 35 Business: Cameron, Hamilton
1135 ft · 30 sec
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7
Turn right
33.9 mi · 40 min
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8
Take the exit slight right toward I 29 Business
708 ft · 18 sec
-
9
Turn slight left onto South 10th Street
1.2 mi · 2 min · South 10th Street
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10
Turn right onto Frederick Avenue
116 m · 6 sec · Frederick Avenue
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11
Turn slight right onto Walter Welsh Avenue
42 m · 3 sec · Walter Welsh Avenue
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12
Arrive at your destination
0 m · 1 sec · Walter Welsh Avenue
Car Route Details
A richer read on the saved driving route between Princeton and Saint Joseph.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Miller Street
Merge slight left
37.6 mi · 00h 40m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Rain Showers Likely leaving Princeton and Rain Showers Likely near Saint Joseph.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Princeton to Saint Joseph?
The road trip is about 100.9 miles (162.4 km) and usually takes 01h 41m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Altamont is a useful midpoint, sitting about 50.4 miles from Princeton and 50.5 miles from Saint Joseph.
How much longer is the road route than the straight-line distance?
The direct path is about 79.9 miles (128.6 km), while the road route adds roughly 21 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 3:08 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.42 one way or $26.85 round trip. Estimated CO2 is about 31.6 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Princeton and Rain Showers Likely near Saint Joseph.
Stop Ideas Near Altamont
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 Altamont.
Independence
Union Station
Lee's Summit
Flight Path Map
This map shows the direct air route between Princeton and Saint Joseph. Straight-line distance: 79.92 mi (128.62 km).
#1 Princeton
City in Mercer County, Missouri
| Population | 1,078 |
| Coordinates | 40.4008400, -93.5805000 |
| Altitude | 293 |
| Country | United States |
#2 Saint Joseph
The most populous city in Buchanan County, Missouri.
| Population | 74,074 |
| Coordinates | 39.7686100, -94.8466300 |
| Altitude | 270 |
| Country | United States |
End: Walter Welsh Avenue (-94.846632, 39.768853)
Estimated Travel Time
Distance: 162 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 21m |
| 40 mph (64.37 km/h) | 02h 31m |
| 50 mph (80.47 km/h) | 02h 01m |
| 60 mph (96.56 km/h) | 01h 40m |
| 70 mph (112.65 km/h) | 01h 26m |
| 80 mph (129 km/h) | 01h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $13.42 | $26.85 |
| Mid-grade | $4.25 | $15.14 | $30.28 |
| Premium | $4.65 | $16.57 | $33.14 |
| Diesel | $5.30 | $18.88 | $37.76 |
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 · May 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.