How far is St. Louis, MO from Marlborough, MO?
The driving distance from St. Louis, MO to Marlborough, MO is about 11.1 miles (17.9 km), with a travel time of about 00h 18m by car.
- The straight-line flight distance is about 8.5 miles (13.7 km).
- For a round trip, plan for roughly 00h 37m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CST.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 18m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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 of Missouri, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Drizzle then Partly Sunny
Patchy Drizzle
Driving Route Map
The map below follows the saved road route between St. Louis and Marlborough.
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Louis and Marlborough.
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1
Start on Market Street
1.6 km · 2 min · Market Street
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2
Turn left onto South Jefferson Avenue
1.2 mi · 3 min · South Jefferson Avenue
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3
Take the ramp straight toward I 44 West
1051 ft · 17 sec
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4
Merge slight left onto Officer David Haynes Memorial Highway
2.3 mi · 3 min · Officer David Haynes Memorial Highway
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5
Continue on Officer Michael Barwick Memorial Highway
3.5 mi · 4 min · Officer Michael Barwick Memorial Highway
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6
Continue on Police Officer Robert Stanze Memorial Highway
2513 ft · 36 sec · Police Officer Robert Stanze Memorial Highway
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7
Take the exit slight right toward Shrewsbury Avenue
153 m · 22 sec
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8
Turn sharp right onto Shrewsbury Avenue
1617 ft · 53 sec · Shrewsbury Avenue
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9
Turn slight right
80 m · 12 sec
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10
Turn slight right onto Murdoch Avenue
2051 ft · 1 min · Murdoch Avenue
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11
Turn slight left onto Laclede Station Road
1.4 mi · 2 min · Laclede Station Road
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12
Turn left onto Wimbledon Drive
868 ft · 41 sec · Wimbledon Drive
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13
Turn right onto Watson Road
46 m · 3 sec · Watson Road
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14
Arrive at your destination
0 m · 1 sec · Watson Road
Car Route Details
A richer read on the saved driving route between St. Louis and Marlborough.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Officer Michael Barwick Memorial Highway
Continue on Officer Michael Barwick Memorial Highway
3.46 mi · 00h 04m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Slight Chance Drizzle then Partly Sunny leaving St. Louis and Patchy Drizzle near Marlborough.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from St. Louis to Marlborough?
The road trip is about 11.1 miles (17.9 km) and usually takes 00h 18m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Richmond Heights is a useful midpoint, sitting about 5.5 miles from St. Louis and 5.6 miles from Marlborough.
How much longer is the road route than the straight-line distance?
The direct path is about 8.5 miles (13.7 km), while the road route adds roughly 2.6 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 7:00 AM to 7:00 PM CST. If you want a more comfortable same-day return, try to leave by 7:52 PM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $1.47 one way or $2.94 round trip. Estimated CO2 is about 3.5 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Drizzle then Partly Sunny around St. Louis and Patchy Drizzle near Marlborough.
Stop Ideas Near Richmond Heights
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 Richmond Heights.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between St. Louis and Marlborough. Straight-line distance: 8.48 mi (13.65 km).
#1 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 |
#2 Marlborough
Marlborough is a place in Missouri, United States.
| Population | 0 |
| Coordinates | 38.5703300, -90.3370600 |
| Altitude | 164 |
| Country | United States |
End: Marlborough (-90.33706, 38.57033)
Estimated Travel Time
Distance: 18 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 22m |
| 40 mph (64.37 km/h) | 00h 16m |
| 50 mph (80.47 km/h) | 00h 13m |
| 60 mph (96.56 km/h) | 00h 11m |
| 70 mph (112.65 km/h) | 00h 09m |
| 80 mph (129 km/h) | 00h 08m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $1.47 | $2.94 |
| Mid-grade | $4.15 | $1.62 | $3.24 |
| Premium | $4.51 | $1.76 | $3.52 |
| Diesel | $6.00 | $2.34 | $4.68 |
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 · Nov 06, 2026