How far is St. Louis, MO from Eureka, MO?
The driving distance from St. Louis, MO to Eureka, MO is about 89.4 miles (143.9 km), with a travel time of about 01h 50m by car.
- The straight-line flight distance is about 70.2 miles (112.9 km).
- For a round trip, plan for roughly 03h 41m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 50m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 in Sainte Genevieve County, Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And Thunderstorms
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
26 m · 4 sec · Market Street
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2
Turn left onto South Tucker Boulevard
1.3 mi · 4 min · South Tucker Boulevard
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3
Turn straight onto Gravois Avenue
1619 ft · 46 sec · Gravois Avenue
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4
Take the ramp left toward I 55 South: Memphis
626 ft · 15 sec
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5
Merge slight left
71.9 mi · 1 hr 20 min
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6
Take the exit slight right toward MO M: Brewer
1069 ft · 29 sec
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7
Turn left
1 km · 2 min
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8
At the end of the road, turn right
5.3 mi · 8 min
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9
Enter the roundabout and take exit 2 toward South Kingshighway Street
41 m · 2 sec · South Kingshighway Street
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10
Exit the roundabout onto South Kingshighway Street
7.1 mi · 11 min · South Kingshighway Street
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11
Turn left
2.5 mi · 6 min
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12
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between St. Louis and Eureka.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 55 South
Merge slight left
71.9 mi · 01h 20m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny then Chance Showers And Thunderstorms leaving St. Louis and Mostly Sunny then Chance Showers And Thunderstorms 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 89.4 miles (143.9 km) and usually takes 01h 50m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Bloomsdale is a useful midpoint, sitting about 44.7 miles from St. Louis and 44.7 miles from Eureka.
How much longer is the road route than the straight-line distance?
The direct path is about 70.2 miles (112.9 km), while the road route adds roughly 19.2 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 2:48 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.88 one way or $23.76 round trip. Estimated CO2 is about 28 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Chance Showers And Thunderstorms around St. Louis and Mostly Sunny then Chance Showers And Thunderstorms near Eureka.
Stop Ideas Near Bloomsdale
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 Bloomsdale.
Kirkwood
Gateway Transportation Center
Du Quoin
Carbondale station
Flight Path Map
This map shows the direct air route between St. Louis and Eureka. Straight-line distance: 70.15 mi (112.89 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
City located in St.
| Population | 11,323 |
| Coordinates | 37.6789400, -89.7370500 |
| Altitude | 195 |
| Country | United States |
End: Eureka (-89.73705, 37.67894)
Estimated Travel Time
Distance: 144 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 58m |
| 40 mph (64.37 km/h) | 02h 14m |
| 50 mph (80.47 km/h) | 01h 47m |
| 60 mph (96.56 km/h) | 01h 29m |
| 70 mph (112.65 km/h) | 01h 16m |
| 80 mph (129 km/h) | 01h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $11.88 | $23.76 |
| Mid-grade | $4.25 | $13.40 | $26.79 |
| Premium | $4.65 | $14.66 | $29.32 |
| Diesel | $5.30 | $16.71 | $33.42 |
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 · Apr 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.