How far is Cedar Hill, MO from Saint Peters, MO?
The driving distance from Cedar Hill, MO to Saint Peters, MO is about 47 miles (75.6 km), with a travel time of about 00h 49m by car.
- The straight-line flight distance is about 30.9 miles (49.7 km).
- For a round trip, plan for roughly 01h 39m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CST.
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.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
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 49m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Suburb of St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Cedar Hill and Saint Peters.
Turn-by-Turn Driving Directions
Step-by-step road directions between Cedar Hill and Saint Peters.
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1
Start on the route
16 m · 8 sec
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2
Turn left onto Cedar Hill Road
116 m · 10 sec · Cedar Hill Road
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3
Turn right
1949 ft · 48 sec
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4
Turn right onto SFC William Brian Woods Jr. Memorial Highway
19 mi · 25 min · SFC William Brian Woods Jr. Memorial Highway
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5
Take the exit left toward I 270 North
2202 ft · 35 sec
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6
Merge slight left
14.7 mi · 18 min
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7
Take the exit slight right toward I 70: Kansas City, Saint Louis, Saint Louis Lambert International Airport
1 mi · 1 min
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8
Keep slight left to continue on I 70 West: Kansas City
645 ft · 11 sec
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9
Continue on I 70 West: Kansas City
1 km · 57 sec
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10
Merge slight left
10.5 mi · 13 min
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11
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Cedar Hill and Saint Peters.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
SFC William Brian Woods Jr. Memorial Highway
Turn right onto SFC William Brian Woods Jr. Memorial Highway
19 mi · 00h 25m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Sunny leaving Cedar Hill and Mostly Sunny near Saint Peters.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Cedar Hill to Saint Peters?
The road trip is about 47 miles (75.6 km) and usually takes 00h 49m 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?
Kirkwood is a useful midpoint, sitting about 23.5 miles from Cedar Hill and 23.5 miles from Saint Peters.
How much longer is the road route than the straight-line distance?
The direct path is about 30.9 miles (49.7 km), while the road route adds roughly 16.1 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 CST. If you want a more comfortable same-day return, try to leave by 4:50 PM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.26 one way or $12.53 round trip. Estimated CO2 is about 14.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Cedar Hill and Mostly Sunny near Saint Peters.
Stop Ideas Near Kirkwood
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Kirkwood.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between Cedar Hill and Saint Peters. Straight-line distance: 30.89 mi (49.71 km).
#1 Cedar Hill
Cedar Hill is a place in Missouri, United States.
| Population | 0 |
| Coordinates | 38.3533900, -90.6412400 |
| Altitude | 168 |
| Country | United States |
#2 Saint Peters
The most populous city in St.
| Population | 58,043 |
| Coordinates | 38.8003300, -90.6265100 |
| Altitude | 134 |
| Country | United States |
End: I 70 West (-90.626511, 38.800311)
Estimated Travel Time
Distance: 76 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 33m |
| 40 mph (64.37 km/h) | 01h 10m |
| 50 mph (80.47 km/h) | 00h 56m |
| 60 mph (96.56 km/h) | 00h 47m |
| 70 mph (112.65 km/h) | 00h 40m |
| 80 mph (129 km/h) | 00h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $6.26 | $12.53 |
| Mid-grade | $4.15 | $6.89 | $13.77 |
| Premium | $4.51 | $7.49 | $14.98 |
| Diesel | $6.00 | $9.95 | $19.91 |
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