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

The driving distance from Saint Charles, MO to Thayer, MO is about 231.5 miles (372.6 km), with a travel time of about 04h 41m by car.

  • The straight-line flight distance is about 166.5 miles (267.9 km).
  • For a round trip, plan for roughly 09h 23m 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
231.55 mi
04h 41m
Flight
166.47 mi
267.91 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
166.47 mi
Kilometers
267.91 km
Flight Time
00h 20m

Driving Distance

Road route
231.55 mi
Kilometers
372.64 km
Drive Time
04h 41m

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 04h 41m.

Arrival Snapshot
Arrive in Thayer
Tue, May 5, 9:52 AM CDT
Return by in Saint Charles
Tue, May 5, 2:34 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Charles
2026-05-05T05:10
Arrive Thayer
Tue, May 5, 9:52 AM CDT
Route Timing
04h 41m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:42 AM to 12:42 PM CDT

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

Leave by
7:36 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
Newburg
MO

City in Phelps County, Missouri, United States

From Saint Charles
115.8 mi
02h 20m
To Thayer
115.8 mi
02h 20m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
66°F
Tuesday

Showers And Thunderstorms

Starts
Tue, May 5 6:00 AM CDT
Wind
7 to 12 mph W
Destination
76°F
Tuesday

Chance Showers And Thunderstorms then Showers And Thunderstorms

Starts
Tue, May 5 6:00 AM CDT
Wind
12 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    86.4 mi · 1 hr 34 min · Henry Shaw Ozark Corridor

  18. 18

    Take the exit slight right toward MO E: Rolla

    910 ft · 19 sec

  19. 19

    Enter the roundabout and take exit 4 toward Tim Bradley Way

    90 m · 6 sec · Tim Bradley Way

  20. 20

    Exit the roundabout onto Tim Bradley Way

    2010 ft · 49 sec · Tim Bradley Way

  21. 21

    Turn slight right onto North Bishop Avenue

    9 m · 1 sec · North Bishop Avenue

  22. 22

    Keep slight right to continue on North Bishop Avenue

    44 m · 3 sec · North Bishop Avenue

  23. 23

    Continue on North Bishop Avenue

    65.7 mi · 1 hr 23 min · North Bishop Avenue

  24. 24

    Take the ramp straight toward US 60 East, US 63 South: Willow Springs

    13.9 mi · 16 min

  25. 25

    Keep slight right to continue on US 63 South: West Plains, Thayer

    43.8 mi · 55 min

  26. 26

    Take the exit slight right

    63 m · 7 sec

  27. 27

    Turn straight onto West Walnut Street

    788 ft · 24 sec · West Walnut Street

  28. 28

    Turn right onto Front Street

    133 m · 19 sec · Front Street

  29. 29

    Turn sharp right

    23 m · 3 sec

  30. 30

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
30 steps
11 turns on the saved route
Ramps & Exits
13
3 merges, 10 ramps or exits
Navigation Density
13 / 100 mi
Decision points by distance
Main Roads
Henry Shaw Ozark Corridor
86.4 mi · 37%
North Bishop Avenue
65.8 mi · 28%
US 63 South
43.8 mi · 19%
US 60 East
13.9 mi · 6%
I 270 South
11.5 mi · 5%
I 70 East
2.85 mi · 1%
Longest Stretch

Henry Shaw Ozark Corridor

Merge slight left onto Henry Shaw Ozark Corridor

86.4 mi · 01h 34m

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
04h 41m
Long day trip
Same-Day Return
09h 24m
Round-trip wheel time
Road vs Air
+65 mi
166.5 mi direct line
Halfway Stop
Newburg
02h 20m from Saint Charles
Leave By
7:36 AM CDT
Early departure recommended
Weather Watch

Showers And Thunderstorms leaving Saint Charles and Chance Showers And Thunderstorms then Showers And Thunderstorms near Thayer.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 231.5 miles (372.6 km) and usually takes 04h 41m 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?

Newburg is a useful midpoint, sitting about 115.8 miles from Saint Charles and 115.8 miles from Thayer.

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

The direct path is about 166.5 miles (267.9 km), while the road route adds roughly 65 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 7:36 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $30.81 one way or $61.62 round trip. Estimated CO2 is about 72.6 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms around Saint Charles and Chance Showers And Thunderstorms then Showers And Thunderstorms near Thayer.

Stop Ideas Near Newburg

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

Mid-route Guidance
Local place coverage is thin around Newburg, 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 Newburg.

RAIL

Jefferson City

78 mi away
101 Jefferson Street
RAIL

Hermann

97 mi away
Wharf & Gutenberg Sts.
RAIL

Washington

106 mi away
301 West Front St.

Flight Path Map

This map shows the direct air route between Saint Charles and Thayer. Straight-line distance: 166.47 mi (267.91 km).

Saint Charles

#1 Saint Charles

A city in St.

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

#2 Thayer

City

Population2,103
Coordinates36.5245100, -91.5382000
Altitude161
CountryUnited States
Start: Saint Charles (-90.48123, 38.78394)
End: Thayer (-91.5382, 36.52451)

Estimated Travel Time

Distance: 373 km by road

SpeedTime
30 mph (48.3 km/h)07h 42m
40 mph (64.37 km/h)05h 47m
50 mph (80.47 km/h)04h 37m
60 mph (96.56 km/h)03h 51m
70 mph (112.65 km/h)03h 18m
80 mph (129 km/h)02h 53m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.17 gal
30.93 L · about $30.81
Round trip
$61.62
16.34 gal · 61.86 L
Estimated CO2
72.6 kg one way
Round trip: 145.2 kg / 320 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $30.81 $61.62
Mid-grade $4.25 $34.75 $69.49
Premium $4.65 $38.02 $76.05
Diesel $5.30 $43.33 $86.67

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

There is no time difference between Saint Charles and Thayer. The current time is 05:10:57.

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.