How far is Saint Charles, MO from Buffalo, MO?

The driving distance from Saint Charles, MO to Buffalo, MO is about 192.1 miles (309.2 km), with a travel time of about 03h 47m by car.

  • The straight-line flight distance is about 162.2 miles (261 km).
  • For a round trip, plan for roughly 07h 34m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
192.15 mi
03h 47m
Flight
162.16 mi
260.97 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Saint Charles.

Flight Distance

Direct air line
162.16 mi
Kilometers
260.97 km
Flight Time
00h 19m

Driving Distance

Road route
192.15 mi
Kilometers
309.24 km
Drive Time
03h 47m

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 47m.

Arrival Snapshot
Arrive in Buffalo
Fri, May 1, 3:16 AM CDT
Return by in Saint Charles
Fri, May 1, 7:03 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Charles
2026-04-30T23:29
Arrive Buffalo
Fri, May 1, 3:16 AM CDT
Route Timing
03h 47m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:47 AM to 11:47 AM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
9:26 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Saint Charles
9:00 PM CDT
Early departure recommended

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.

Mid-route stop
Saint James
MO

City in Phelps County, Missouri, United States

From Saint Charles
96 mi
01h 53m
To Buffalo
96.2 mi
01h 53m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
67°F
Thursday

Mostly Sunny

Starts
Thu, Apr 30 6:00 AM CDT
Wind
1 to 7 mph W
Destination
66°F
Thursday

Mostly Sunny

Starts
Thu, Apr 30 6:00 AM CDT
Wind
6 mph E

Driving Route Map

The map below follows the saved road route between Saint Charles and Buffalo.

Turn-by-Turn Driving Directions

Step-by-step road directions between Saint Charles and Buffalo.

  1. 1

    Start on North Second Street

    949 ft · 38 sec · North Second Street

  2. 2

    Turn right onto Jefferson Street

    1093 ft · 45 sec · Jefferson Street

  3. 3

    Turn left onto South Fifth Street

    1.1 mi · 3 min · South Fifth Street

  4. 4

    Take the ramp slight left toward I 70 East

    1019 ft · 14 sec

  5. 5

    Merge slight left

    2.7 mi · 3 min

  6. 6

    Take the exit slight right toward I 270: Chicago, Memphis

    872 ft · 12 sec

  7. 7

    Keep slight right to continue on I 270 South: Memphis

    2339 ft · 33 sec

  8. 8

    Continue on I 270 South: Memphis

    723 ft · 10 sec

  9. 9

    Merge slight left

    10.9 mi · 14 min

  10. 10

    Take the exit slight right toward Dougherty Ferry Road

    1331 ft · 28 sec

  11. 11

    Turn right onto Dougherty Ferry Road

    2.5 mi · 5 min · Dougherty Ferry Road

  12. 12

    Continue on Forest Avenue

    1.6 km · 2 min · Forest Avenue

  13. 13

    Turn left

    1.2 km · 1 min

  14. 14

    Take the exit slight right

    32 m · 3 sec

  15. 15

    Turn right onto North Highway Drive

    748 ft · 14 sec · North Highway Drive

  16. 16

    Take the ramp straight toward I 44 West, US 50 West: Rolla

    936 ft · 13 sec

  17. 17

    Merge slight left onto Henry Shaw Ozark Corridor

    143 mi · 2 hr 35 min · Henry Shaw Ozark Corridor

  18. 18

    Take the exit slight right toward MO 32, MO 5, MO 64: Hartville

    932 ft · 20 sec

  19. 19

    Turn right onto South Jefferson Avenue

    1 mi · 2 min · South Jefferson Avenue

  20. 20

    Turn left onto West Commercial Street

    4.3 mi · 7 min · West Commercial Street

  21. 21

    Continue straight

    22.6 mi · 31 min

  22. 22

    Turn right onto South Maple Street

    1350 ft · 27 sec · South Maple Street

  23. 23

    Arrive at your destination

    0 m · 1 sec · South Maple Street

Car Route Details

A richer read on the saved driving route between Saint Charles and Buffalo.

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
23 steps
8 turns on the saved route
Ramps & Exits
9
3 merges, 6 ramps or exits
Navigation Density
12 / 100 mi
Decision points by distance
Main Roads
Henry Shaw Ozark Corridor
143 mi · 74%
West Commercial Street
26.9 mi · 14%
I 270 South
11.5 mi · 6%
I 70 East
2.85 mi · 1%
Dougherty Ferry Road
2.78 mi · 1%
South Fifth Street
1.1 mi · 1%
Longest Stretch

Henry Shaw Ozark Corridor

Merge slight left onto Henry Shaw Ozark Corridor

143 mi · 02h 35m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
03h 47m
Long day trip
Same-Day Return
07h 34m
Round-trip wheel time
Road vs Air
+29.9 mi
162.2 mi direct line
Halfway Stop
Saint James
01h 53m from Saint Charles
Leave By
9:26 AM CDT
Early departure recommended
Weather Watch

Mostly Sunny leaving Saint Charles and Mostly Sunny near Buffalo.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Saint Charles to Buffalo?

The road trip is about 192.1 miles (309.2 km) and usually takes 03h 47m 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 96 miles from Saint Charles and 96.2 miles from Buffalo.

How much longer is the road route than the straight-line distance?

The direct path is about 162.2 miles (261 km), while the road route adds roughly 29.9 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 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 9:26 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $25.57 one way or $51.13 round trip. Estimated CO2 is about 60.3 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Saint Charles and Mostly Sunny near Buffalo.

Stop Ideas Near Saint James

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Saint James, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Saint James.

RAIL

Jefferson City

81 mi away
101 Jefferson Street
RAIL

Hermann

81 mi away
Wharf & Gutenberg Sts.
RAIL

Washington

82 mi away
301 West Front St.

Flight Path Map

This map shows the direct air route between Saint Charles and Buffalo. Straight-line distance: 162.16 mi (260.97 km).

Saint Charles

#1 Saint Charles

A city in St.

Population71,761
Coordinates38.7839400, -90.4812300
Altitude147
CountryUnited States
Buffalo

#2 Buffalo

City in Dallas County, Missouri, United States

Population3,202
Coordinates37.6439300, -93.0924100
Altitude366
CountryUnited States
Start: Saint Charles (-90.48123, 38.78394)
End: Buffalo (-93.09241, 37.64393)

Estimated Travel Time

Distance: 309 km by road

SpeedTime
30 mph (48.3 km/h)06h 24m
40 mph (64.37 km/h)04h 48m
50 mph (80.47 km/h)03h 50m
60 mph (96.56 km/h)03h 12m
70 mph (112.65 km/h)02h 44m
80 mph (129 km/h)02h 23m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.78 gal
25.67 L · about $25.57
Round trip
$51.13
13.56 gal · 51.34 L
Estimated CO2
60.3 kg one way
Round trip: 120.5 kg / 266 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $25.57 $51.13
Mid-grade $4.25 $28.84 $57.67
Premium $4.65 $31.55 $63.11
Diesel $5.30 $35.96 $71.92

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 · May 01, 2026

There is no time difference between Saint Charles and Buffalo. The current time is 23:29:31.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.