How far is Eureka, MO from Saint Charles, MO?
The driving distance from Eureka, MO to Saint Charles, MO is about 31.6 miles (50.9 km), with a travel time of about 00h 35m by car.
- The straight-line flight distance is about 21 miles (33.8 km).
- For a round trip, plan for roughly 01h 10m 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 35m.
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 Saint Louis County, Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Eureka and Saint Charles.
Turn-by-Turn Driving Directions
Step-by-step road directions between Eureka and Saint Charles.
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1
Start on South Central Avenue
1339 ft · 47 sec · South Central Avenue
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2
Turn right onto East 4th Street
1301 ft · 40 sec · East 4th Street
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3
Turn left
77 m · 13 sec
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4
Take the ramp right toward I 44 East, US 50 East: Saint Louis
1119 ft · 27 sec
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5
Merge slight left onto Henry Shaw Ozark Corridor
11.2 mi · 13 min · Henry Shaw Ozark Corridor
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6
Take the exit slight right toward I 270: Chicago, Memphis
871 ft · 19 sec
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7
Keep slight left to continue on I 270 North: Chicago
551 ft · 12 sec
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8
Continue on I 270 North: Chicago
2638 ft · 53 sec
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9
Merge slight left
12.6 mi · 16 min
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10
Take the exit slight right toward I 70: Kansas City, Saint Louis, Saint Louis Lambert International Airport
1 mi · 1 min
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11
Keep slight left to continue on I 70 West: Kansas City
645 ft · 11 sec
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12
Continue on I 70 West: Kansas City
1 km · 57 sec
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13
Merge slight left
2.7 mi · 3 min
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14
Take the exit slight right toward I 70 Business: Fifth Street
841 ft · 18 sec
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15
Keep slight right to continue on I 70 Business: Fifth Street North, Bass Pro Drive, Ameristar Boulevard
71 m · 5 sec
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16
Turn slight right onto South Fifth Street
1.6 km · 2 min · South Fifth Street
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17
Turn right onto Jefferson Street
1093 ft · 44 sec · Jefferson Street
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18
Turn left onto North Second Street
949 ft · 34 sec · North Second Street
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19
Arrive at your destination
0 m · 1 sec · North Second Street
Car Route Details
A richer read on the saved driving route between Eureka and Saint Charles.
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 North
Merge slight left
12.6 mi · 00h 16m
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 Eureka and Sunny near Saint Charles.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Eureka to Saint Charles?
The road trip is about 31.6 miles (50.9 km) and usually takes 00h 35m 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?
Des Peres is a useful midpoint, sitting about 15.7 miles from Eureka and 15.9 miles from Saint Charles.
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 10.6 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 7:20 PM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.15 one way or $8.31 round trip. Estimated CO2 is about 9.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Eureka and Sunny near Saint Charles.
Stop Ideas Near Des Peres
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 Des Peres.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between Eureka and Saint Charles. Straight-line distance: 20.99 mi (33.78 km).
#1 Eureka
Eureka is a place in Missouri, United States.
| Population | 0 |
| Coordinates | 38.5025500, -90.6279000 |
| Altitude | 139 |
| Country | United States |
#2 Saint Charles
A city in St.
| Population | 71,761 |
| Coordinates | 38.7839400, -90.4812300 |
| Altitude | 147 |
| Country | United States |
End: North Second Street (-90.481269, 38.783952)
Estimated Travel Time
Distance: 51 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 03m |
| 40 mph (64.37 km/h) | 00h 47m |
| 50 mph (80.47 km/h) | 00h 37m |
| 60 mph (96.56 km/h) | 00h 31m |
| 70 mph (112.65 km/h) | 00h 27m |
| 80 mph (129 km/h) | 00h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.74 | $4.15 | $8.31 |
| Mid-grade | $4.13 | $4.58 | $9.16 |
| Premium | $4.50 | $4.99 | $9.98 |
| Diesel | $5.97 | $6.63 | $13.26 |
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