How far is St. Louis, MO from Eureka, MO?
The driving distance from St. Louis, MO to Eureka, MO is about 27.7 miles (44.5 km), with a travel time of about 00h 37m by car.
- The straight-line flight distance is about 24.8 miles (39.9 km).
- For a round trip, plan for roughly 01h 14m 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 37m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Missouri
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 St. Louis and Eureka.
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Louis and Eureka.
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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
2.7 mi · 3 min · Police Officer Robert Stanze Memorial Highway
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7
Continue on Police Officer Ernest M. Brockman Sr. Memorial Highway
3.5 mi · 4 min · Police Officer Ernest M. Brockman Sr. Memorial Highway
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8
Continue on Henry Shaw Ozark Corridor
12.4 mi · 15 min · Henry Shaw Ozark Corridor
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9
Take the exit slight right toward MO 109: Eureka, Wildwood
1157 ft · 30 sec
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10
Turn left
538 ft · 13 sec
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11
Turn right onto East 4th Street
1328 ft · 42 sec · East 4th Street
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12
Turn left onto North Central Avenue
1339 ft · 45 sec · North Central Avenue
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13
Arrive at your destination
0 m · 1 sec · South Central Avenue
Car Route Details
A richer read on the saved driving route between St. Louis and Eureka.
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.
Henry Shaw Ozark Corridor
Continue on Henry Shaw Ozark Corridor
12.4 mi · 00h 15m
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.
Mostly Sunny leaving St. Louis and Mostly Sunny near Eureka.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from St. Louis to Eureka?
The road trip is about 27.7 miles (44.5 km) and usually takes 00h 37m 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?
Crestwood is a useful midpoint, sitting about 13.8 miles from St. Louis and 13.9 miles from Eureka.
How much longer is the road route than the straight-line distance?
The direct path is about 24.8 miles (39.9 km), while the road route adds roughly 2.9 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 7:00 AM to 7:00 PM CST. If you want a more comfortable same-day return, try to leave by 7:16 PM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.63 one way or $7.26 round trip. Estimated CO2 is about 8.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around St. Louis and Mostly Sunny near Eureka.
Stop Ideas Near Crestwood
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 Crestwood.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between St. Louis and Eureka. Straight-line distance: 24.78 mi (39.88 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 Eureka
Eureka is a place in Missouri, United States.
| Population | 0 |
| Coordinates | 38.5025500, -90.6279000 |
| Altitude | 139 |
| Country | United States |
End: Eureka (-90.6279, 38.50255)
Estimated Travel Time
Distance: 44 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 55m |
| 40 mph (64.37 km/h) | 00h 41m |
| 50 mph (80.47 km/h) | 00h 33m |
| 60 mph (96.56 km/h) | 00h 27m |
| 70 mph (112.65 km/h) | 00h 23m |
| 80 mph (129 km/h) | 00h 20m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.74 | $3.63 | $7.26 |
| Mid-grade | $4.13 | $4.00 | $8.01 |
| Premium | $4.50 | $4.36 | $8.72 |
| Diesel | $5.97 | $5.79 | $11.58 |
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 07, 2026