How far is Chesterfield, MO from Saint Charles, MO?

The driving distance from Chesterfield, MO to Saint Charles, MO is about 18.1 miles (29.1 km), with a travel time of about 00h 24m by car.

  • The straight-line flight distance is about 9.8 miles (15.8 km).
  • For a round trip, plan for roughly 00h 49m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
18.1 mi
00h 24m
Flight
9.82 mi
15.8 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Chesterfield.

Flight Distance

Direct air line
9.82 mi
Kilometers
15.8 km
Flight Time
00h 01m

Driving Distance

Road route
18.1 mi
Kilometers
29.13 km
Drive Time
00h 24m

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 24m.

Arrival Snapshot
Arrive in Saint Charles
Tue, May 12, 5:45 PM CDT
Return by in Chesterfield
Tue, May 12, 6:09 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Chesterfield
2026-05-12T17:20
Arrive Saint Charles
Tue, May 12, 5:45 PM CDT
Route Timing
00h 24m
One way by road
Best Departure Window
7:00 AM to 7:00 PM CDT
Leave when it suits your day
Arrive between
7:25 AM to 7:25 PM CDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:40 PM CDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Chesterfield
10:00 PM CDT
Flexible departure

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Lake
MO

Township in Missouri, United States

From Chesterfield
8.9 mi
00h 12m
To Saint Charles
9.1 mi
00h 12m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
84°F
Tuesday

Sunny

Starts
Tue, May 12 6:00 AM CDT
Wind
5 to 14 mph SW
Destination
83°F
Tuesday

Sunny

Starts
Tue, May 12 6:00 AM CDT
Wind
5 to 15 mph SW

Driving Route Map

The map below follows the saved road route between Chesterfield and Saint Charles.

Turn-by-Turn Driving Directions

Step-by-step road directions between Chesterfield and Saint Charles.

  1. 1

    Start on Santa Maria Drive

    33 m · 8 sec · Santa Maria Drive

  2. 2

    Turn left onto Old Chesterfield Road

    751 ft · 33 sec · Old Chesterfield Road

  3. 3

    Turn right onto Baxter Road

    1507 ft · 37 sec · Baxter Road

  4. 4

    Take the ramp slight right toward I 64 East, US 40 East, US 61 South

    924 ft · 22 sec

  5. 5

    Merge slight left onto Avenue of the Saints

    3.7 mi · 5 min · Avenue of the Saints

  6. 6

    Take the exit slight right toward MO 141

    1499 ft · 39 sec

  7. 7

    Turn left

    9.4 mi · 14 min

  8. 8

    Take the exit slight right toward I 70 West: Kansas City

    1427 ft · 40 sec

  9. 9

    Merge slight left

    2 mi · 2 min

  10. 10

    Take the exit slight right toward I 70 Business: Fifth Street

    841 ft · 18 sec

  11. 11

    Keep slight right to continue on I 70 Business: Fifth Street North, Bass Pro Drive, Ameristar Boulevard

    71 m · 5 sec

  12. 12

    Turn slight right onto South Fifth Street

    1.4 km · 2 min · South Fifth Street

  13. 13

    Turn right onto First Capitol Drive

    1079 ft · 42 sec · First Capitol Drive

  14. 14

    Turn left onto South Second Street

    1551 ft · 53 sec · South Second Street

  15. 15

    Arrive at your destination

    0 m · 1 sec · North Second Street

Car Route Details

A richer read on the saved driving route between Chesterfield and Saint Charles.

OSRM road route
Drive Character

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.

Directions
15 steps
6 turns on the saved route
Ramps & Exits
6
2 merges, 4 ramps or exits
Navigation Density
82.9 / 100 mi
Decision points by distance
Main Roads
Avenue of the Saints
3.71 mi · 20%
I 70 West
2.25 mi · 12%
South Fifth Street
0.87 mi · 5%
South Second Street
0.29 mi · 2%
Baxter Road
0.29 mi · 2%
MO 141
0.28 mi · 2%
Longest Stretch

Longest stretch

Turn left

9.45 mi · 00h 14m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
00h 24m
Quick drive
Same-Day Return
00h 50m
Round-trip wheel time
Road vs Air
+8.3 mi
9.8 mi direct line
Halfway Stop
Lake
00h 12m from Chesterfield
Leave By
7:40 PM CDT
Flexible departure
Weather Watch

Sunny leaving Chesterfield 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 Chesterfield to Saint Charles?

The road trip is about 18.1 miles (29.1 km) and usually takes 00h 24m 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?

Lake is a useful midpoint, sitting about 8.9 miles from Chesterfield and 9.1 miles from Saint Charles.

How much longer is the road route than the straight-line distance?

The direct path is about 9.8 miles (15.8 km), while the road route adds roughly 8.3 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 7:40 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $2.41 one way or $4.83 round trip. Estimated CO2 is about 5.7 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Chesterfield and Sunny near Saint Charles.

Stop Ideas Near Lake

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Lake and the surrounding midpoint area.
City Hall Park
Scenic stop 14.5 mi away

City Hall Park

Dardenne Prairie , MO
Dardenne Prairie, MO 63368
Rating 4.8/5 294 reviews Tourist attraction,Park
Jennings City Hall
Meeting point 13.5 mi away

Jennings City Hall

Jennings , MO
2120 Hord Ave, Jennings, MO 63136
Rating 4.3/5 26 reviews City Hall
Ferguson Finance Director
Nearby stop 11.2 mi away

Ferguson Finance Director

Ferguson , MO
110 Church St, Ferguson, MO 63135
Rating 5.0/5 1 reviews City tax office

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Lake.

RAIL

Kirkwood

15 mi away
110 West Argonne Dr.
RAIL

Gateway Transportation Center

28 mi away
551 South 16th St.
RAIL

Alton

42 mi away
3400 College Ave.
RAIL

Washington

45 mi away
301 West Front St.

Flight Path Map

This map shows the direct air route between Chesterfield and Saint Charles. Straight-line distance: 9.82 mi (15.8 km).

Chesterfield

#1 Chesterfield

A city in St.

Population47,570
Coordinates38.6631100, -90.5770700
Altitude144
CountryUnited States
Saint Charles

#2 Saint Charles

A city in St.

Population71,761
Coordinates38.7839400, -90.4812300
Altitude147
CountryUnited States
Start: Santa Maria Drive (-90.576914, 38.663102)
End: North Second Street (-90.481269, 38.783952)

Estimated Travel Time

Distance: 29 km by road

SpeedTime
30 mph (48.3 km/h)00h 36m
40 mph (64.37 km/h)00h 27m
50 mph (80.47 km/h)00h 21m
60 mph (96.56 km/h)00h 18m
70 mph (112.65 km/h)00h 15m
80 mph (129 km/h)00h 13m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.64 gal
2.42 L · about $2.41
Round trip
$4.83
1.28 gal · 4.84 L
Estimated CO2
5.7 kg one way
Round trip: 11.4 kg / 25 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $2.41 $4.83
Mid-grade $4.25 $2.72 $5.44
Premium $4.65 $2.98 $5.96
Diesel $5.30 $3.39 $6.79

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 12, 2026

There is no time difference between Chesterfield and Saint Charles. The current time is 17:20:06.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.