How far is St. Louis, MO from Merriam Woods, MO?

The driving distance from St. Louis, MO to Merriam Woods, MO is about 250.9 miles (403.8 km), with a travel time of about 04h 45m by car.

  • The straight-line flight distance is about 209.2 miles (336.6 km).
  • For a round trip, plan for roughly 09h 30m 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
250.94 mi
04h 45m
Flight
209.15 mi
336.59 km direct

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

Learn Distance

Choose another destination from St. Louis.

Flight Distance

Direct air line
209.15 mi
Kilometers
336.59 km
Flight Time
00h 25m

Driving Distance

Road route
250.94 mi
Kilometers
403.85 km
Drive Time
04h 45m

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 45m.

Arrival Snapshot
Arrive in Merriam Woods
Thu, May 14, 10:01 AM CDT
Return by in St. Louis
Thu, May 14, 2:46 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave St. Louis
2026-05-14T05:15
Arrive Merriam Woods
Thu, May 14, 10:01 AM CDT
Route Timing
04h 45m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:45 AM to 12:45 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
7:30 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in St. Louis
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 Robert
MO

City in Pulaski County, Missouri, United States

From St. Louis
125.4 mi
02h 22m
To Merriam Woods
125.5 mi
02h 22m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
76°F
Thursday

Sunny

Starts
Thu, May 14 6:00 AM CDT
Wind
2 to 6 mph SE
Destination
83°F
Thursday

Sunny

Starts
Thu, May 14 6:00 AM CDT
Wind
0 to 7 mph SE

Driving Route Map

The map below follows the saved road route between St. Louis and Merriam Woods.

Turn-by-Turn Driving Directions

Step-by-step road directions between St. Louis and Merriam Woods.

  1. 1

    Start on Market Street

    1.6 km · 2 min · Market Street

  2. 2

    Turn left onto South Jefferson Avenue

    1.2 mi · 3 min · South Jefferson Avenue

  3. 3

    Take the ramp straight toward I 44 West

    1051 ft · 17 sec

  4. 4

    Merge slight left onto Officer David Haynes Memorial Highway

    2.3 mi · 3 min · Officer David Haynes Memorial Highway

  5. 5

    Continue on Officer Michael Barwick Memorial Highway

    3.5 mi · 4 min · Officer Michael Barwick Memorial Highway

  6. 6

    Continue on Police Officer Robert Stanze Memorial Highway

    2.7 mi · 3 min · Police Officer Robert Stanze Memorial Highway

  7. 7

    Continue on Police Officer Ernest M. Brockman Sr. Memorial Highway

    3.5 mi · 4 min · Police Officer Ernest M. Brockman Sr. Memorial Highway

  8. 8

    Continue on Henry Shaw Ozark Corridor

    194.7 mi · 3 hr 32 min · Henry Shaw Ozark Corridor

  9. 9

    Take the exit slight right toward US 65 South: Branson

    1412 ft · 48 sec

  10. 10

    Merge slight left onto Schoolcraft Freeway

    11 mi · 14 min · Schoolcraft Freeway

  11. 11

    Continue on American Legion Memorial Highway

    10.9 mi · 13 min · American Legion Memorial Highway

  12. 12

    Continue on US Highway 65

    12 mi · 14 min · US Highway 65

  13. 13

    Continue on American Legion Memorial Highway

    1.2 mi · 1 min · American Legion Memorial Highway

  14. 14

    Take the exit slight right toward US 160: Reed Springs Junction, Forsyth

    1165 ft · 32 sec

  15. 15

    Turn left

    4.3 mi · 6 min

  16. 16

    Turn slight left

    973 ft · 17 sec

  17. 17

    Turn slight right

    1.1 mi · 2 min

  18. 18

    Turn left onto Old Trail Road

    1118 ft · 50 sec · Old Trail Road

  19. 19

    Turn right onto North Homestead Road

    708 ft · 32 sec · North Homestead Road

  20. 20

    Turn right onto Maybe Lake Road

    70 m · 13 sec · Maybe Lake Road

  21. 21

    Turn left onto Deerfield Road

    1296 ft · 57 sec · Deerfield Road

  22. 22

    Arrive at your destination

    0 m · 1 sec · Deerfield Road

Car Route Details

A richer read on the saved driving route between St. Louis and Merriam Woods.

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
22 steps
8 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
8.8 / 100 mi
Decision points by distance
Main Roads
Henry Shaw Ozark Corridor
195 mi · 78%
American Legion Memorial Highway
12.1 mi · 5%
US Highway 65
12 mi · 5%
Schoolcraft Freeway
11 mi · 4%
Police Officer Ernest M. Brockman Sr. Memorial H
3.53 mi · 1%
Officer Michael Barwick Memorial Highway
3.46 mi · 1%
Longest Stretch

Henry Shaw Ozark Corridor

Continue on Henry Shaw Ozark Corridor

195 mi · 03h 32m

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 45m
Long day trip
Same-Day Return
09h 30m
Round-trip wheel time
Road vs Air
+41.7 mi
209.2 mi direct line
Halfway Stop
Saint Robert
02h 22m from St. Louis
Leave By
7:30 AM CDT
Early departure recommended
Weather Watch

Sunny leaving St. Louis and Sunny near Merriam Woods.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from St. Louis to Merriam Woods?

The road trip is about 250.9 miles (403.8 km) and usually takes 04h 45m 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 Robert is a useful midpoint, sitting about 125.4 miles from St. Louis and 125.5 miles from Merriam Woods.

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

The direct path is about 209.2 miles (336.6 km), while the road route adds roughly 41.7 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 7:30 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $33.41 one way or $66.82 round trip. Estimated CO2 is about 78.7 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around St. Louis and Sunny near Merriam Woods.

Stop Ideas Near Saint Robert

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

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

RAIL

Jefferson City

84 mi away
101 Jefferson Street
RAIL

Hermann

117 mi away
Wharf & Gutenberg Sts.

Flight Path Map

This map shows the direct air route between St. Louis and Merriam Woods. Straight-line distance: 209.15 mi (336.59 km).

St. Louis

#1 St. Louis

The second most populous city in Missouri and the center of the St.

Population315,685
Coordinates38.6272700, -90.1978900
Altitude142
CountryUnited States
Merriam Woods

#2 Merriam Woods

City in Taney County, Missouri, United States of America

Population1,859
Coordinates36.7139500, -93.1618500
Altitude264
CountryUnited States
Start: St. Louis (-90.19789, 38.62727)
End: Merriam Woods (-93.16185, 36.71395)

Estimated Travel Time

Distance: 404 km by road

SpeedTime
30 mph (48.3 km/h)08h 21m
40 mph (64.37 km/h)06h 16m
50 mph (80.47 km/h)05h 01m
60 mph (96.56 km/h)04h 10m
70 mph (112.65 km/h)03h 35m
80 mph (129 km/h)03h 07m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.86 gal
33.52 L · about $33.41
Round trip
$66.82
17.72 gal · 67.04 L
Estimated CO2
78.7 kg one way
Round trip: 157.5 kg / 347 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $33.41 $66.82
Mid-grade $4.25 $37.68 $75.36
Premium $4.65 $41.23 $82.47
Diesel $5.30 $46.99 $93.99

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 14, 2026

There is no time difference between St. Louis and Merriam Woods. The current time is 05:15:36.

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.