How far is Green Park, MO from Saint Charles, MO?
The driving distance from Green Park, MO to Saint Charles, MO is about 25.5 miles (41 km), with a travel time of about 00h 31m by car.
- The straight-line flight distance is about 19.6 miles (31.5 km).
- For a round trip, plan for roughly 01h 02m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
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 31m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Village in west St.
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 Green Park and Saint Charles.
Turn-by-Turn Driving Directions
Step-by-step road directions between Green Park and Saint Charles.
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1
Start on Arnett Drive
92 m · 14 sec · Arnett Drive
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2
Turn right onto Antigo Drive
1729 ft · 1 min · Antigo Drive
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3
Turn left onto Mueller Road
1621 ft · 51 sec · Mueller Road
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4
Turn right onto South Lindbergh Boulevard
2236 ft · 57 sec · South Lindbergh Boulevard
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5
Turn left onto Tesson Ferry Road
1.1 mi · 2 min · Tesson Ferry Road
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6
Take the ramp slight right toward I 270 North
1373 ft · 21 sec
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7
Merge slight left
16.6 mi · 21 min
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8
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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9
Keep slight left to continue on I 70 West: Kansas City
645 ft · 11 sec
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10
Continue on I 70 West: Kansas City
1 km · 57 sec
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11
Merge slight left
2.7 mi · 3 min
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12
Take the exit slight right toward I 70 Business: Fifth Street
841 ft · 18 sec
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13
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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14
Turn slight right onto South Fifth Street
1.6 km · 2 min · South Fifth Street
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15
Turn right onto Jefferson Street
1093 ft · 44 sec · Jefferson Street
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16
Turn left onto North Second Street
949 ft · 34 sec · North Second Street
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17
Arrive at your destination
0 m · 1 sec · North Second Street
Car Route Details
A richer read on the saved driving route between Green Park 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
16.7 mi · 00h 21m
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 Green Park 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 Green Park to Saint Charles?
The road trip is about 25.5 miles (41 km) and usually takes 00h 31m 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?
Westwood is a useful midpoint, sitting about 12.6 miles from Green Park and 12.9 miles from Saint Charles.
How much longer is the road route than the straight-line distance?
The direct path is about 19.6 miles (31.5 km), while the road route adds roughly 5.9 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 CDT. If you want a more comfortable same-day return, try to leave by 7:28 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.39 one way or $6.79 round trip. Estimated CO2 is about 8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Green Park and Sunny near Saint Charles.
Stop Ideas Near Westwood
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 Westwood.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between Green Park and Saint Charles. Straight-line distance: 19.57 mi (31.49 km).
#1 Green Park
City
| Population | 2,614 |
| Coordinates | 38.5236600, -90.3384500 |
| Altitude | 164 |
| 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: 41 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 50m |
| 40 mph (64.37 km/h) | 00h 38m |
| 50 mph (80.47 km/h) | 00h 30m |
| 60 mph (96.56 km/h) | 00h 25m |
| 70 mph (112.65 km/h) | 00h 21m |
| 80 mph (129 km/h) | 00h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $3.39 | $6.79 |
| Mid-grade | $4.25 | $3.83 | $7.66 |
| Premium | $4.65 | $4.19 | $8.38 |
| Diesel | $5.30 | $4.77 | $9.55 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.