How far is Buffalo, MO from St. Louis, MO?
The driving distance from Buffalo, MO to St. Louis, MO is about 190.7 miles (306.9 km), with a travel time of about 03h 06m by car.
- The straight-line flight distance is about 171.3 miles (275.7 km).
- For a round trip, plan for roughly 06h 12m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 03h 06m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Phelps County, Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Buffalo and St. Louis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Buffalo and St. Louis.
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1
Start on South Maple Street
1350 ft · 34 sec · South Maple Street
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2
Turn left onto East Dallas Street
26.9 mi · 38 min · East Dallas Street
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3
Turn right onto South Jefferson Avenue
1.1 mi · 2 min · South Jefferson Avenue
-
4
Take the exit left toward I 44 East: Rolla
1431 ft · 35 sec
-
5
Merge slight left
151.3 mi · 2 hr 46 min
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6
Continue on Police Officer Robert Stanze Memorial Highway
2.7 mi · 3 min · Police Officer Robert Stanze Memorial Highway
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7
Continue on Officer Michael Barwick Memorial Highway
3.5 mi · 4 min · Officer Michael Barwick Memorial Highway
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8
Continue on Officer David Haynes Memorial Highway
2.3 mi · 3 min · Officer David Haynes Memorial Highway
-
9
Take the exit slight right toward Jefferson Avenue
924 ft · 22 sec
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10
Turn left onto South Jefferson Avenue
1.3 mi · 3 min · South Jefferson Avenue
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11
Turn right onto Market Street
1.6 km · 2 min · Market Street
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12
Arrive at your destination
0 m · 1 sec · Market Street
Car Route Details
A richer read on the saved driving route between Buffalo and St. Louis.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 44 East
Merge slight left
151 mi · 02h 46m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Sunny leaving Buffalo and Mostly Sunny near St. Louis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Buffalo to St. Louis?
The road trip is about 190.7 miles (306.9 km) and usually takes 03h 06m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Saint James is a useful midpoint, sitting about 95.3 miles from Buffalo and 95.4 miles from St. Louis.
How much longer is the road route than the straight-line distance?
The direct path is about 171.3 miles (275.7 km), while the road route adds roughly 19.4 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 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 10:48 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.38 one way or $50.76 round trip. Estimated CO2 is about 59.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Buffalo and Mostly Sunny near St. Louis.
Stop Ideas Near Saint James
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 Saint James.
Jefferson City
Hermann
Washington
Flight Path Map
This map shows the direct air route between Buffalo and St. Louis. Straight-line distance: 171.34 mi (275.74 km).
#1 Buffalo
City in Dallas County, Missouri, United States
| Population | 3,202 |
| Coordinates | 37.6439300, -93.0924100 |
| Altitude | 366 |
| Country | United States |
#2 St. Louis
The second most populous city in Missouri and the center of the St.
| Population | 315,685 |
| Coordinates | 38.6272700, -90.1978900 |
| Altitude | 142 |
| Country | United States |
End: Market Street (-90.197859, 38.627348)
Estimated Travel Time
Distance: 307 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 21m |
| 40 mph (64.37 km/h) | 04h 46m |
| 50 mph (80.47 km/h) | 03h 48m |
| 60 mph (96.56 km/h) | 03h 10m |
| 70 mph (112.65 km/h) | 02h 43m |
| 80 mph (129 km/h) | 02h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $25.38 | $50.76 |
| Mid-grade | $4.25 | $28.62 | $57.25 |
| Premium | $4.65 | $31.32 | $62.64 |
| Diesel | $5.30 | $35.70 | $71.39 |
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 01, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.