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Trip from Cedar Hill, MO to Saint Charles, MO

Data updated 2 hours ago

Drive Time

55m

Distance

40.7 mi

66 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$6

one way

EV Charging

None

0 DC fast

Best Time to Leave

Save up to 13 min
4 AM
0h 51m ★
6 AM
0h 55m
8 AM
1h 4m
10 AM
0h 58m
12 PM
0h 57m
3 PM
0h 59m
5 PM
1h 4m
8 PM
0h 52m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Best Time Drive vs Fly
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Downtown Cedar Hill, MO, MO

Cedar Hill, MO

Anthony Rahayel

city in and county seat of St. Charles County, Missouri, United States

Saint Charles, MO

Wikimedia Commons

Trip Overview

The drive from Cedar Hill, MO to Saint Charles, MO covers 40.7 miles and takes about 55m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on SFC William Brian Woods Jr. Memorial Highway, I 270, I 70 for much of the mileage, and the overall profile is mixed drive. The longest uninterrupted segment is about 19 miles on SFC William Brian Woods Jr. Memorial Highway. At current regular gas prices, budget about $6.36 one way before food or hotel costs.

Trip Pace

Same-day drive is realistic

A same-day return is realistic if you keep stops short.

Break Rhythm

0 planned breaks

A short stop every 2 to 3 hours is enough for this drive.

Midpoint

20.4 miles from Cedar Hill, MO

A natural place for your longest stop of the day , about 27m into the drive .

Loading map...

Drive Character

The drive from Cedar Hill, MO to Saint Charles, MO covers 40.7 miles and takes about 55m, using a mix of highways and local roads.

Expect a mix of faster highway mileage and slower local approaches near the beginning or end.
There are about 16 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
SFC William Brian Woods Jr. Memorial Highway is the longest continuous segment at about 19 miles.

How Hard Is This Drive?

This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.5 miles in near MO 30 / SFC William Brian Woods Jr. Memorial Highway.

Route Complexity 10/10

High effort - long or complex enough to need steady focus all day

This is a demanding drive. With 13 significant decision points across 40.7 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.

Where does it get tricky?

The main spots that need attention: at 0.5 miles (MO 30 / SFC William Brian Woods Jr. Memorial Highway): Lane positioning matters here; at 34.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 35.7 miles: Highway fork - watch signs carefully. Lane positioning matters here.

Critical Maneuvers

5 of 13 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

5
0.5 mi into trip | ~1m in | MO 30 / SFC William Brian Woods Jr. Memorial Highway

Turn right onto MO 30 / SFC William Brian Woods Jr. Memorial Highway

Lane positioning matters here

Use the straight lane.
8
34.6 mi into trip | ~45m in

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

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight right lane. Exit 20A Toward I 70: Kansas City, Saint Louis, Saint Lo...
7
35.7 mi into trip | ~46m in

Keep slight left at fork toward I 70 West: Kansas City

Highway fork - watch signs carefully. Lane positioning matters here

Use the slight left lane. Toward I 70 West: Kansas City
7
39.2 mi into trip | ~51m in | I 70 Business

Take the exit onto I 70 Business toward I 70 Business: Fifth Street

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the straight / slight right lanes. Exit 229B Toward I 70 Business: Fifth Street
9
39.3 mi into trip | ~51m in

Keep slight right at fork toward I 70 Business: Fifth Street North, Bass Pro Drive, Ameristar Boulevard

Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one

Use the right lane. Toward I 70 Business: Fifth Street North, Bass...

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

Between Cedar Hill, MO and Saint Charles, MO, road signs point toward Saint Louis and Saint Louis Lambert International Airport.

Saint Louis

34.6 mi in | ~45m

Saint Louis Lambert International Airport

34.6 mi in | ~45m

Main Roads

Road Distance Duration
SFC William Brian Woods Jr. Memorial Highway 19 mi 25m
I 270 14.7 mi 18m
I 70 2.7 mi 3m
South Fifth Street 1 mi 2m
MO BB 0.4 mi <1m
Jefferson Street 0.2 mi <1m
North Second Street 0.2 mi <1m
I 70 Business 0.2 mi <1m
Longest stretch: SFC William Brian Woods Jr. Memorial Highway — 19 mi, about 25m

Turn-by-Turn Driving Directions

Step-by-step road directions between Cedar Hill, MO and Saint Charles, MO.

1

Start on this road

51 ft · 8 sec · this road
2

Turn left onto Cedar Hill Road

379 ft · 10 sec · Cedar Hill Road
3

Turn right onto MO BB

0.4 mi · 47 sec · MO BB
4

Turn right onto MO 30

19 mi · 25 min · SFC William Brian Woods Jr. Memorial Highway
Use the straight lane.
5

Take the exit

0.4 mi · 35 sec
Toward I 270 North
6

Merge onto I 270

15 mi · 18 min · I 270
Use the straight lane.
7

Take the exit

1.0 mi · 1 min
Exit 20A Toward I 70: Kansas City, Saint Louis, Saint Louis Lambert International Airport Use the slight right lane.
8

Keep slight left at fork

0.1 mi · 11 sec
Toward I 70 West: Kansas City Use the slight left lane.
9

Continue on this road

0.6 mi · 57 sec · this road
Exit 20B Toward I 70 West: Kansas City
10

Merge onto I 70

2.7 mi · 3 min · I 70
11

Take the exit onto I 70 Business

0.2 mi · 17 sec · I 70 Business
Exit 229B Toward I 70 Business: Fifth Street Use the straight / slight right lanes.
12

Keep slight right at fork

231 ft · 5 sec
Toward I 70 Business: Fifth Street North, Bass Pro Drive, Ameristar Boulevard Use the right lane.
13

Turn slight right onto I 70 Business

1.0 mi · 2 min · South Fifth Street
Use the right lane.
14

Turn right onto Jefferson Street

0.2 mi · 44 sec · Jefferson Street
15

Turn left onto North Second Street

0.2 mi · 34 sec · North Second Street
16

Arrive at destination

North Second Street

Trip Plan

Morning Departure

Leave by 9 AM and you'll arrive before lunch.

Evening Departure

Even a 4 PM departure gets you there before dark in summer.

You can normally do this drive in one day.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 20.4 miles from Cedar Hill, MO, or about 27m into the drive.
The longest continuous stretch on this route runs about 19 miles.

This is a comfortable same-day trip.

Departure

Before you leave

Start with fuel, water, and navigation already sorted so the first hour feels easy.

First stop

Around 40.7 miles or 55m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 20.4 miles or 27m in

This is the best place for your longest stop, a real meal, and a full fuel check.

Final approach

Final hour starts around 45m

Traffic, exits, and arrival timing usually matter more near Saint Charles, MO than in the middle of the route.

Before You Leave

+

Open the route before leaving Cedar Hill, MO so your first major turns are already loaded.

+

Leave with enough water and a charging cable within reach, not packed away.

+

Check your fuel range against the first long segment, especially if you are starting outside city service areas.

Day 1

Settle into the route from Cedar Hill, MO

This is one driving day of about 40.7 miles and 55m.

Your first comfortable stop window is around 80 miles from Cedar Hill, MO.
This route can stay practical as a one-day drive if traffic stays reasonable.
You may only need one short stretch stop if conditions stay smooth.
The longest stretch is on SFC William Brian Woods Jr. Memorial Highway for about 19 miles.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Halfway Point

Midpoint

About 20.4 mi from Cedar Hill, MO · 27m into the drive

archaeological site near East St. Louis, Illinois, USA

Mid-route town

Meal stop

Cahokia, IL

20 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Pacing Suggestions

Alton, IL

Fuel and coffee

A short stop after about 40.7 miles helps settle the day before fatigue starts building.

Cahokia, IL

Meal break

The midpoint is around 20.4 miles from Cedar Hill, MO, which is a good place for a longer meal and fuel stop.

Arriving in Saint Charles, MO

The final approach into Saint Charles, MO usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.

Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Saint Charles, MO.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

National Parks Near This Route

Worth a detour if your schedule allows.

Gateway Arch National Park

Gateway Arch National Park

National Park

Gateway Arch National Park commemorates President Jefferson’s vision of a continental nation, the individuals and cultural groups who helped shape its history, St. Louis’ role in westward expansion, a...

13 mi from route ~33 min detour $19 near mile 19.7
View on nps.gov

Park data from the National Park Service API. Alerts update every 2 hours.

Fuel & Cost

Regular Gas

$6.36 one way

$12.73 round trip

$3.97/gal 25.4 MPG avg 14 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.36 $6.99 $13.97
premium $4.89 $7.83 $15.66
diesel $5.61 $8.99 $17.97

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$6

Meals

$25–$50

Total

$31–$56

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 14.2 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $4 in charging · 0 stops · 64% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 12.2 0 $4.27 $1.95
Efficient EV 10.2 0 $3.56 $1.63
EV Truck/SUV 16.3 0 $5.70 $2.60

Gas CO2

14 kg

EV CO2

5 kg (64% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast data refreshed 3 days ago

Origin

Cedar Hill, MO

Evening in Cedar Hill on Tuesday

Local time

6:03 PM

CDT

Current temp

52°F

Unavailable

Live forecast

Destination

Saint Charles, MO

Evening in Saint Charles on Tuesday

Local time

6:03 PM

CDT

Current temp

55°F

Unavailable

Live forecast

Seasonal Notes

Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.

Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.

Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

3 degrees warmer at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

55m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

Frequently Asked Questions

The drive from Cedar Hill, MO to Saint Charles, MO covers 40.7 miles and takes about 55m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are SFC William Brian Woods Jr. Memorial Highway, I 270, I 70. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 20.4 miles from Cedar Hill, MO. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $6.36 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This is a demanding drive. With 13 significant decision points across 40.7 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
The main spots that need attention: at 0.5 miles (MO 30 / SFC William Brian Woods Jr. Memorial Highway): Lane positioning matters here; at 34.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 35.7 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Between Cedar Hill, MO and Saint Charles, MO, road signs point toward Saint Louis and Saint Louis Lambert International Airport.

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