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

The driving distance from Saint Clair, MO to Saint Charles, MO is about 56.4 miles (90.8 km), with a travel time of about 00h 58m by car.

  • The straight-line flight distance is about 40.6 miles (65.3 km).
  • For a round trip, plan for roughly 01h 56m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
56.43 mi
00h 58m
Flight
40.59 mi
65.32 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Saint Clair.

Flight Distance

Direct air line
40.59 mi
Kilometers
65.32 km
Flight Time
00h 04m

Driving Distance

Road route
56.43 mi
Kilometers
90.82 km
Drive Time
00h 58m

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 58m.

Arrival Snapshot
Arrive in Saint Charles
Thu, Apr 23, 10:23 AM CDT
Return by in Saint Clair
Thu, Apr 23, 11:21 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Clair
2026-04-23T09:24
Arrive Saint Charles
Thu, Apr 23, 10:23 AM CDT
Route Timing
00h 58m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
8:58 AM to 10:58 AM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:34 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Saint Clair
9:30 PM CDT
Morning start is best

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
Sherman
MO

Unincorporated community in St.

From Saint Clair
28.1 mi
00h 29m
To Saint Charles
28.3 mi
00h 29m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
81°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM CDT
Wind
6 to 13 mph S
Destination
82°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM CDT
Wind
7 to 17 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on South Main Street

    1.2 mi · 3 min · South Main Street

  2. 2

    Take the ramp slight right toward I 44 East: Saint Louis

    1554 ft · 39 sec

  3. 3

    Merge slight left

    35.3 mi · 40 min

  4. 4

    Take the exit slight right toward I 270: Chicago, Memphis

    871 ft · 19 sec

  5. 5

    Keep slight left to continue on I 270 North: Chicago

    551 ft · 12 sec

  6. 6

    Continue on I 270 North: Chicago

    2638 ft · 53 sec

  7. 7

    Merge slight left

    12.6 mi · 16 min

  8. 8

    Take the exit slight right toward I 70: Kansas City, Saint Louis, Saint Louis Lambert International Airport

    1 mi · 1 min

  9. 9

    Keep slight left to continue on I 70 West: Kansas City

    645 ft · 11 sec

  10. 10

    Continue on I 70 West: Kansas City

    1 km · 57 sec

  11. 11

    Merge slight left

    2.7 mi · 3 min

  12. 12

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

    841 ft · 18 sec

  13. 13

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

    71 m · 5 sec

  14. 14

    Turn slight right onto South Fifth Street

    1.6 km · 2 min · South Fifth Street

  15. 15

    Turn right onto Jefferson Street

    1093 ft · 44 sec · Jefferson Street

  16. 16

    Turn left onto North Second Street

    949 ft · 34 sec · North Second Street

  17. 17

    Arrive at your destination

    0 m · 1 sec · North Second Street

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
17 steps
3 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
30.1 / 100 mi
Decision points by distance
Main Roads
I 44 East
35.6 mi · 63%
I 270 North
13.2 mi · 23%
I 70 West
3.48 mi · 6%
South Main Street
1.2 mi · 2%
I 70
1.05 mi · 2%
South Fifth Street
0.99 mi · 2%
Longest Stretch

I 44 East

Merge slight left

35.3 mi · 00h 40m

Route Summary

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

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
00h 58m
Day trip friendly
Same-Day Return
01h 56m
Round-trip wheel time
Road vs Air
+15.8 mi
40.6 mi direct line
Halfway Stop
Sherman
00h 29m from Saint Clair
Leave By
4:34 PM CDT
Morning start is best
Weather Watch

Mostly Sunny leaving Saint Clair and Mostly Sunny near Saint Charles.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Saint Clair to Saint Charles?

The road trip is about 56.4 miles (90.8 km) and usually takes 00h 58m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Sherman is a useful midpoint, sitting about 28.1 miles from Saint Clair and 28.3 miles from Saint Charles.

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

The direct path is about 40.6 miles (65.3 km), while the road route adds roughly 15.8 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 4:34 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $7.50 one way or $15.01 round trip. Estimated CO2 is about 17.7 kg one way.

What should you check before leaving?

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

Stop Ideas Near Sherman

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

Mid-route Guidance
Local place coverage is thin around Sherman, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

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

RAIL

Kirkwood

17 mi away
110 West Argonne Dr.
RAIL

Gateway Transportation Center

35 mi away
551 South 16th St.
RAIL

Washington

37 mi away
301 West Front St.
RAIL

Alton

57 mi away
3400 College Ave.

Flight Path Map

This map shows the direct air route between Saint Clair and Saint Charles. Straight-line distance: 40.59 mi (65.32 km).

Saint Clair

#1 Saint Clair

City in Franklin County, Missouri, United States

Population4,689
Coordinates38.3453300, -90.9809700
Altitude234
CountryUnited States
Saint Charles

#2 Saint Charles

A city in St.

Population71,761
Coordinates38.7839400, -90.4812300
Altitude147
CountryUnited States
Start: South Main Street (-90.981049, 38.34533)
End: North Second Street (-90.481269, 38.783952)

Estimated Travel Time

Distance: 91 km by road

SpeedTime
30 mph (48.3 km/h)01h 52m
40 mph (64.37 km/h)01h 24m
50 mph (80.47 km/h)01h 07m
60 mph (96.56 km/h)00h 56m
70 mph (112.65 km/h)00h 48m
80 mph (129 km/h)00h 42m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.99 gal
7.54 L · about $7.50
Round trip
$15.01
3.98 gal · 15.08 L
Estimated CO2
17.7 kg one way
Round trip: 35.4 kg / 78 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $7.50 $15.01
Mid-grade $4.25 $8.46 $16.93
Premium $4.65 $9.26 $18.52
Diesel $5.30 $10.55 $21.11

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 23, 2026

There is no time difference between Saint Clair and Saint Charles. The current time is 09:24:55.

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.