How far is Saint Charles, MO from Eureka, MO?
The driving distance from Saint Charles, MO to Eureka, MO is about 29.1 miles (46.8 km), with a travel time of about 00h 42m by car.
- The straight-line flight distance is about 21 miles (33.8 km).
- For a round trip, plan for roughly 01h 24m 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 42m.
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 St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Saint Charles and Eureka.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Charles and Eureka.
-
1
Start on North Second Street
949 ft · 38 sec · North Second Street
-
2
Turn right onto Jefferson Street
1093 ft · 45 sec · Jefferson Street
-
3
Turn left onto South Fifth Street
1.1 mi · 3 min · South Fifth Street
-
4
Take the ramp slight left toward I 70 East
1019 ft · 14 sec
-
5
Merge slight left
2.7 mi · 3 min
-
6
Take the exit slight right toward I 270: Chicago, Memphis
872 ft · 12 sec
-
7
Keep slight right to continue on I 270 South: Memphis
2339 ft · 33 sec
-
8
Continue on I 270 South: Memphis
723 ft · 10 sec
-
9
Merge slight left
10.9 mi · 14 min
-
10
Take the exit slight right toward Dougherty Ferry Road
1331 ft · 28 sec
-
11
Turn right onto Dougherty Ferry Road
2.5 mi · 5 min · Dougherty Ferry Road
-
12
Continue on Forest Avenue
1.6 km · 2 min · Forest Avenue
-
13
Turn left
1.2 km · 1 min
-
14
Take the exit slight right
32 m · 3 sec
-
15
Turn right onto North Highway Drive
748 ft · 14 sec · North Highway Drive
-
16
Take the ramp straight toward I 44 West, US 50 West: Rolla
936 ft · 13 sec
-
17
Merge slight left onto Henry Shaw Ozark Corridor
7.4 mi · 9 min · Henry Shaw Ozark Corridor
-
18
Take the exit slight right toward MO 109: Eureka, Wildwood
1157 ft · 30 sec
-
19
Turn left
538 ft · 13 sec
-
20
Turn right onto East 4th Street
1328 ft · 42 sec · East 4th Street
-
21
Turn left onto North Central Avenue
1339 ft · 45 sec · North Central Avenue
-
22
Arrive at your destination
0 m · 1 sec · South Central Avenue
Car Route Details
A richer read on the saved driving route between Saint Charles 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.
I 270 South
Merge slight left
10.9 mi · 00h 14m
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.
Sunny leaving Saint Charles 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 Saint Charles to Eureka?
The road trip is about 29.1 miles (46.8 km) and usually takes 00h 42m 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?
Town and Country is a useful midpoint, sitting about 14.5 miles from Saint Charles and 14.5 miles from Eureka.
How much longer is the road route than the straight-line distance?
The direct path is about 21 miles (33.8 km), while the road route adds roughly 8.1 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 7:06 PM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.82 one way or $7.64 round trip. Estimated CO2 is about 9.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Saint Charles and Mostly Sunny near Eureka.
Stop Ideas Near Town and Country
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 Town and Country.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between Saint Charles and Eureka. Straight-line distance: 20.99 mi (33.78 km).
#1 Saint Charles
A city in St.
| Population | 71,761 |
| Coordinates | 38.7839400, -90.4812300 |
| Altitude | 147 |
| 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: 47 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 58m |
| 40 mph (64.37 km/h) | 00h 43m |
| 50 mph (80.47 km/h) | 00h 34m |
| 60 mph (96.56 km/h) | 00h 29m |
| 70 mph (112.65 km/h) | 00h 24m |
| 80 mph (129 km/h) | 00h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.74 | $3.82 | $7.64 |
| Mid-grade | $4.13 | $4.21 | $8.42 |
| Premium | $4.50 | $4.59 | $9.17 |
| Diesel | $5.97 | $6.09 | $12.18 |
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