How far is East Prairie, MO from Saint Charles, MO?

The driving distance from East Prairie, MO to Saint Charles, MO is about 172.6 miles (277.7 km), with a travel time of about 02h 43m by car.

  • The straight-line flight distance is about 150.9 miles (242.8 km).
  • For a round trip, plan for roughly 05h 26m 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
172.53 mi
02h 43m
Flight
150.84 mi
242.76 km direct

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

Learn Distance

Choose another destination from East Prairie.

Flight Distance

Direct air line
150.84 mi
Kilometers
242.76 km
Flight Time
00h 18m

Driving Distance

Road route
172.53 mi
Kilometers
277.66 km
Drive Time
02h 43m

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 02h 43m.

Arrival Snapshot
Arrive in Saint Charles
Sun, Apr 19, 6:23 AM CDT
Return by in East Prairie
Sun, Apr 19, 9:07 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave East Prairie
2026-04-19T03:40
Arrive Saint Charles
Sun, Apr 19, 6:23 AM CDT
Route Timing
02h 43m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
10:43 AM to 12:43 PM CDT

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

Leave by
1:04 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in East Prairie
9:30 PM CDT
Morning start is best

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.

Mid-route stop
Perryville
MO

City in Missouri, United States

From East Prairie
87.9 mi
01h 21m
To Saint Charles
84.6 mi
01h 21m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
67°F
Sunday

Sunny

Starts
Sun, Apr 19 6:00 AM CDT
Wind
5 to 10 mph NW
Destination
64°F
Sunday

Sunny

Starts
Sun, Apr 19 6:00 AM CDT
Wind
8 to 12 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between East Prairie and Saint Charles.

  1. 1

    Start on East Main Street

    26 m · 6 sec · East Main Street

  2. 2

    Turn right onto North Washington Street

    1650 ft · 34 sec · North Washington Street

  3. 3

    Turn right

    9.5 mi · 13 min

  4. 4

    Take the ramp sharp left

    1236 ft · 30 sec

  5. 5

    Merge slight left

    10 mi · 11 min

  6. 6

    Take the exit slight right toward I 55 North: Saint Louis

    1987 ft · 48 sec

  7. 7

    Merge slight left

    27.1 mi · 29 min

  8. 8

    Keep slight left

    101.5 mi · 1 hr 49 min

  9. 9

    Continue on Rosa Parks Highway

    1.3 mi · 2 min · Rosa Parks Highway

  10. 10

    Take the exit slight right toward I 270 West, I 255 East: Kansas City, Chicago

    1279 ft · 27 sec

  11. 11

    Keep slight left to continue on I 270 West: Kansas City

    118 m · 8 sec

  12. 12

    Continue on I 270 West

    1.2 km · 1 min

  13. 13

    Merge slight left

    18.1 mi · 23 min

  14. 14

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

    1 mi · 1 min

  15. 15

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

    645 ft · 11 sec

  16. 16

    Continue on I 70 West: Kansas City

    1 km · 57 sec

  17. 17

    Merge slight left

    2.7 mi · 3 min

  18. 18

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

    841 ft · 18 sec

  19. 19

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

    71 m · 5 sec

  20. 20

    Turn slight right onto South Fifth Street

    1.6 km · 2 min · South Fifth Street

  21. 21

    Turn right onto Jefferson Street

    1093 ft · 44 sec · Jefferson Street

  22. 22

    Turn left onto North Second Street

    949 ft · 34 sec · North Second Street

  23. 23

    Arrive at your destination

    0 m · 1 sec · North Second Street

Car Route Details

A richer read on the saved driving route between East Prairie 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
23 steps
5 turns on the saved route
Ramps & Exits
9
4 merges, 5 ramps or exits
Navigation Density
13.3 / 100 mi
Decision points by distance
Main Roads
I 55 North
129 mi · 75%
I 270 West
19.2 mi · 11%
North Washington Street
10.5 mi · 6%
I 70 West
3.48 mi · 2%
Rosa Parks Highway
1.33 mi · 1%
I 70
1.05 mi · 1%
Longest Stretch

I 55 North

Keep slight left

102 mi · 01h 49m

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
02h 43m
Day trip friendly
Same-Day Return
05h 26m
Round-trip wheel time
Road vs Air
+21.7 mi
150.9 mi direct line
Halfway Stop
Perryville
01h 21m from East Prairie
Leave By
1:04 PM CDT
Morning start is best
Weather Watch

Sunny leaving East Prairie 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 East Prairie to Saint Charles?

The road trip is about 172.6 miles (277.7 km) and usually takes 02h 43m 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?

Perryville is a useful midpoint, sitting about 87.9 miles from East Prairie and 84.6 miles from Saint Charles.

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

The direct path is about 150.9 miles (242.8 km), while the road route adds roughly 21.7 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 1:04 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $22.97 one way or $45.93 round trip. Estimated CO2 is about 54.1 kg one way.

What should you check before leaving?

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

Stop Ideas Near Perryville

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

Mid-route Guidance
Local place coverage is thin around Perryville, 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 Perryville.

RAIL

Carbondale station

57 mi away
401 South Illinois St.
RAIL

Du Quoin

63 mi away
20 North Chestnut St.
BUS

Marion, IL

80 mi away
2100 West Main Street
BUS

Vienna, IL

92 mi away
504 West Vine Street

Flight Path Map

This map shows the direct air route between East Prairie and Saint Charles. Straight-line distance: 150.84 mi (242.76 km).

East Prairie

#1 East Prairie

City in Mississippi County, Missouri, United States

Population2,924
Coordinates36.7797800, -89.3856300
Altitude93
CountryUnited States
Saint Charles

#2 Saint Charles

A city in St.

Population71,761
Coordinates38.7839400, -90.4812300
Altitude147
CountryUnited States
Start: East Main Street (-89.385602, 36.779758)
End: North Second Street (-90.481269, 38.783952)

Estimated Travel Time

Distance: 278 km by road

SpeedTime
30 mph (48.3 km/h)05h 44m
40 mph (64.37 km/h)04h 18m
50 mph (80.47 km/h)03h 27m
60 mph (96.56 km/h)02h 52m
70 mph (112.65 km/h)02h 27m
80 mph (129 km/h)02h 09m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.09 gal
23.05 L · about $22.97
Round trip
$45.93
12.18 gal · 46.1 L
Estimated CO2
54.1 kg one way
Round trip: 108.2 kg / 239 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $22.97 $45.93
Mid-grade $4.25 $25.90 $51.80
Premium $4.65 $28.34 $56.69
Diesel $5.30 $32.30 $64.60

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

There is no time difference between East Prairie and Saint Charles. The current time is 03:40:41.

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.