How far is Cedar Hill, MO from St. Louis, MO?

The driving distance from Cedar Hill, MO to St. Louis, MO is about 35.8 miles (57.6 km), with a travel time of about 00h 42m by car.

  • The straight-line flight distance is about 30.6 miles (49.2 km).
  • For a round trip, plan for roughly 01h 24m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM CST.
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
35.78 mi
00h 42m
Flight
30.55 mi
49.16 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Cedar Hill.

Flight Distance

Direct air line
30.55 mi
Kilometers
49.16 km
Flight Time
00h 03m

Driving Distance

Road route
35.78 mi
Kilometers
57.58 km
Drive Time
00h 42m

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 42m.

Arrival Snapshot
Arrive in St. Louis
Sat, Nov 7, 1:05 AM CST
Return by in Cedar Hill
Sat, Nov 7, 1:48 AM CST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Cedar Hill
2026-11-07T00:23
Arrive St. Louis
Sat, Nov 7, 1:05 AM CST
Route Timing
00h 42m
One way by road
Best Departure Window
7:00 AM to 7:00 PM CST
Leave when it suits your day
Arrive between
7:42 AM to 7:42 PM CST

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

Leave by
7:06 PM CST
Keeps a same-day return open with about 01h 30m at the destination.
Back in Cedar Hill
10:00 PM CST
Flexible departure

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
Fenton
MO

Suburb city of St.

From Cedar Hill
17.9 mi
00h 21m
To St. Louis
17.9 mi
00h 21m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
54°F
Saturday

Sunny

Starts
Sat, Nov 7 6:00 AM CST
Wind
2 mph NW
Destination
54°F
Saturday

Mostly Sunny

Starts
Sat, Nov 7 6:00 AM CST
Wind
3 mph NW

Driving Route Map

The map below follows the saved road route between Cedar Hill and St. Louis.

Turn-by-Turn Driving Directions

Step-by-step road directions between Cedar Hill and St. Louis.

  1. 1

    Start on the route

    16 m · 8 sec

  2. 2

    Turn left onto Cedar Hill Road

    116 m · 10 sec · Cedar Hill Road

  3. 3

    Turn right

    1949 ft · 48 sec

  4. 4

    Turn right onto SFC William Brian Woods Jr. Memorial Highway

    18.9 mi · 25 min · SFC William Brian Woods Jr. Memorial Highway

  5. 5

    Take the exit slight right toward I 270 South

    1364 ft · 20 sec

  6. 6

    Merge slight left

    2.8 mi · 4 min

  7. 7

    Take the exit slight right toward I 55, US 61, US 67: Saint Louis, Memphis, Lemay Ferry Road

    1911 ft · 27 sec

  8. 8

    Keep slight left to continue on I 55 North, US 61, US 67: Saint Louis

    557 ft · 8 sec

  9. 9

    Continue on I 55 North, US 61, US 67: Saint Louis

    797 ft · 11 sec

  10. 10

    Keep slight right to continue on I 55 North: Saint Louis

    1.1 km · 2 min

  11. 11

    Keep slight right to continue on I 55 North: Saint Louis

    2446 ft · 52 sec

  12. 12

    Merge slight left

    9.8 mi · 12 min

  13. 13

    Take the exit slight right toward MO 30 East: Gravois Avenue

    1001 ft · 24 sec

  14. 14

    Turn slight right onto Gravois Avenue

    1044 ft · 27 sec · Gravois Avenue

  15. 15

    Continue on South Tucker Boulevard

    1.3 mi · 3 min · South Tucker Boulevard

  16. 16

    Turn right onto Market Street

    26 m · 2 sec · Market Street

  17. 17

    Arrive at your destination

    0 m · 1 sec · Market Street

Car Route Details

A richer read on the saved driving route between Cedar Hill and St. Louis.

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
5 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
47.5 / 100 mi
Decision points by distance
Main Roads
SFC William Brian Woods Jr. Memorial Highway
18.9 mi · 53%
I 55 North
11.2 mi · 31%
I 270 South
3.09 mi · 9%
South Tucker Boulevard
1.34 mi · 4%
I 55
0.36 mi · 1%
Gravois Avenue
0.2 mi · 1%
Longest Stretch

SFC William Brian Woods Jr. Memorial Highway

Turn right onto SFC William Brian Woods Jr. Memorial Highway

18.9 mi · 00h 25m

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 42m
Quick drive
Same-Day Return
01h 24m
Round-trip wheel time
Road vs Air
+5.2 mi
30.6 mi direct line
Halfway Stop
Fenton
00h 21m from Cedar Hill
Leave By
7:06 PM CST
Flexible departure
Weather Watch

Sunny leaving Cedar Hill and Mostly Sunny near St. Louis.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Cedar Hill to St. Louis?

The road trip is about 35.8 miles (57.6 km) and usually takes 00h 42m 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?

Fenton is a useful midpoint, sitting about 17.9 miles from Cedar Hill and 17.9 miles from St. Louis.

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

The direct path is about 30.6 miles (49.2 km), while the road route adds roughly 5.2 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 CST. If you want a more comfortable same-day return, try to leave by 7:06 PM CST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.76 one way or $9.51 round trip. Estimated CO2 is about 11.2 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Cedar Hill and Mostly Sunny near St. Louis.

Stop Ideas Near Fenton

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

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

RAIL

Kirkwood

8 mi away
110 West Argonne Dr.
RAIL

Gateway Transportation Center

24 mi away
551 South 16th St.
RAIL

Washington

50 mi away
301 West Front St.
RAIL

Alton

51 mi away
3400 College Ave.

Flight Path Map

This map shows the direct air route between Cedar Hill and St. Louis. Straight-line distance: 30.55 mi (49.16 km).

Photo coming soon

#1 Cedar Hill

Cedar Hill is a place in Missouri, United States.

Population0
Coordinates38.3533900, -90.6412400
Altitude168
CountryUnited States
St. Louis

#2 St. Louis

The second most populous city in Missouri and the center of the St.

Population315,685
Coordinates38.6272700, -90.1978900
Altitude142
CountryUnited States
Start: Old Gravois Road (-90.641353, 38.353521)
End: Market Street (-90.197859, 38.627348)

Estimated Travel Time

Distance: 58 km by road

SpeedTime
30 mph (48.3 km/h)01h 11m
40 mph (64.37 km/h)00h 53m
50 mph (80.47 km/h)00h 42m
60 mph (96.56 km/h)00h 35m
70 mph (112.65 km/h)00h 30m
80 mph (129 km/h)00h 26m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.26 gal
4.78 L · about $4.76
Round trip
$9.51
2.52 gal · 9.56 L
Estimated CO2
11.2 kg one way
Round trip: 22.4 kg / 49 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $4.76 $9.51
Mid-grade $4.15 $5.23 $10.45
Premium $4.51 $5.69 $11.37
Diesel $6.00 $7.55 $15.11

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 · Nov 06, 2026

There is no time difference between Cedar Hill and St. Louis. The current time is 00:23:29.

Distance to Other Cities

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