How far is Merriam Woods, MO from Saint Charles, MO?
The driving distance from Merriam Woods, MO to Saint Charles, MO is about 254.6 miles (409.7 km), with a travel time of about 03h 58m by car.
- The straight-line flight distance is about 204.7 miles (329.4 km).
- For a round trip, plan for roughly 07h 57m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 03h 58m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Phelps County, Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Merriam Woods and Saint Charles.
Turn-by-Turn Driving Directions
Step-by-step road directions between Merriam Woods and Saint Charles.
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1
Start on Deerfield Road
1296 ft · 58 sec · Deerfield Road
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2
Turn right onto Maybe Lake Road
70 m · 13 sec · Maybe Lake Road
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3
Turn left onto Homestead Road
708 ft · 34 sec · Homestead Road
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4
Turn left onto Old Trail Road
1118 ft · 51 sec · Old Trail Road
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5
At the end of the road, turn right
4.6 mi · 7 min
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6
Continue straight
1.4 km · 1 min
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7
Take the ramp slight right
1279 ft · 31 sec
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8
Merge slight left onto American Legion Memorial Highway
1.3 mi · 1 min · American Legion Memorial Highway
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9
Continue on US Highway 65
12 mi · 14 min · US Highway 65
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10
Continue on American Legion Memorial Highway
10.9 mi · 13 min · American Legion Memorial Highway
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11
Continue on Schoolcraft Freeway
10.7 mi · 13 min · Schoolcraft Freeway
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12
Take the exit slight right toward I 44 East: Saint Louis
3203 ft · 55 sec
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13
Merge slight left
193 mi · 3 hr 30 min
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14
Take the exit slight right toward I 270: Chicago, Memphis
871 ft · 19 sec
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15
Keep slight left to continue on I 270 North: Chicago
551 ft · 12 sec
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16
Continue on I 270 North: Chicago
2638 ft · 53 sec
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17
Merge slight left
12.6 mi · 16 min
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18
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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19
Keep slight left to continue on I 70 West: Kansas City
645 ft · 11 sec
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20
Continue on I 70 West: Kansas City
1 km · 57 sec
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21
Merge slight left
2.7 mi · 3 min
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22
Take the exit slight right toward I 70 Business: Fifth Street
841 ft · 18 sec
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23
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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24
Turn slight right onto South Fifth Street
1.6 km · 2 min · South Fifth Street
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25
Turn right onto Jefferson Street
1093 ft · 44 sec · Jefferson Street
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26
Turn left onto North Second Street
949 ft · 34 sec · North Second Street
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27
Arrive at your destination
0 m · 1 sec · North Second Street
Car Route Details
A richer read on the saved driving route between Merriam Woods and Saint Charles.
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 44 East
Merge slight left
193 mi · 03h 30m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Merriam Woods 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 Merriam Woods to Saint Charles?
The road trip is about 254.6 miles (409.7 km) and usually takes 03h 58m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Newburg is a useful midpoint, sitting about 127.1 miles from Merriam Woods and 127.5 miles from Saint Charles.
How much longer is the road route than the straight-line distance?
The direct path is about 204.7 miles (329.4 km), while the road route adds roughly 49.9 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 9:02 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $33.86 one way or $67.73 round trip. Estimated CO2 is about 79.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Merriam Woods and Sunny near Saint Charles.
Stop Ideas Near Newburg
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 Newburg.
Jefferson City
Hermann
Washington
Flight Path Map
This map shows the direct air route between Merriam Woods and Saint Charles. Straight-line distance: 204.68 mi (329.4 km).
#1 Merriam Woods
City in Taney County, Missouri, United States of America
| Population | 1,859 |
| Coordinates | 36.7139500, -93.1618500 |
| Altitude | 264 |
| 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: 410 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 28m |
| 40 mph (64.37 km/h) | 06h 21m |
| 50 mph (80.47 km/h) | 05h 05m |
| 60 mph (96.56 km/h) | 04h 14m |
| 70 mph (112.65 km/h) | 03h 38m |
| 80 mph (129 km/h) | 03h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $33.86 | $67.73 |
| Mid-grade | $4.25 | $38.19 | $76.38 |
| Premium | $4.65 | $41.79 | $83.59 |
| Diesel | $5.30 | $47.63 | $95.26 |
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 · May 14, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.