How far is Cottleville, MO from Saint Peters, MO?
The driving distance from Cottleville, MO to Saint Peters, MO is about 5.7 miles (9.2 km), with a travel time of about 00h 13m by car.
- The straight-line flight distance is about 4 miles (6.5 km).
- For a round trip, plan for roughly 00h 26m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
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.
This is an easy same-day return drive.
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 13m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
The most populous city in St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Cottleville and Saint Peters.
Turn-by-Turn Driving Directions
Step-by-step road directions between Cottleville and Saint Peters.
-
1
Start on Main Street
27 m · 6 sec · Main Street
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2
Turn right onto Oak Street
57 m · 9 sec · Oak Street
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3
Turn right
130 m · 14 sec
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4
Continue straight
37 m · 9 sec
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5
Turn left onto Central School Road
1.6 km · 2 min · Central School Road
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6
Turn left onto Mid Rivers Mall Drive
4.2 mi · 9 min · Mid Rivers Mall Drive
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7
Take the ramp straight toward I 70 West: Wentzville
1419 ft · 20 sec
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8
Merge slight left
146 m · 7 sec
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9
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Cottleville and Saint Peters.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Mid Rivers Mall Drive
Turn left onto Mid Rivers Mall Drive
4.21 mi · 00h 09m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Cloudy leaving Cottleville and Mostly Cloudy near Saint Peters.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Cottleville to Saint Peters?
The road trip is about 5.7 miles (9.2 km) and usually takes 00h 13m 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?
O'Fallon is a useful midpoint, sitting about 2.9 miles from Cottleville and 2.9 miles from Saint Peters.
How much longer is the road route than the straight-line distance?
The direct path is about 4 miles (6.5 km), while the road route adds roughly 1.7 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 8:04 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $0.75 one way or $1.51 round trip. Estimated CO2 is about 1.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Cottleville and Mostly Cloudy near Saint Peters.
Stop Ideas Near O'Fallon
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall Park
City of O'Fallon
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to O'Fallon.
Kirkwood
Washington
Gateway Transportation Center
Alton
Flight Path Map
This map shows the direct air route between Cottleville and Saint Peters. Straight-line distance: 4.03 mi (6.48 km).
#1 Cottleville
City in Saint Charles County, Missouri, United States
| Population | 5,925 |
| Coordinates | 38.7461600, -90.6540100 |
| Altitude | 151 |
| 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: 9 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 11m |
| 40 mph (64.37 km/h) | 00h 08m |
| 50 mph (80.47 km/h) | 00h 06m |
| 60 mph (96.56 km/h) | 00h 05m |
| 70 mph (112.65 km/h) | 00h 04m |
| 80 mph (129 km/h) | 00h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $0.75 | $1.51 |
| Mid-grade | $4.25 | $0.85 | $1.70 |
| Premium | $4.65 | $0.93 | $1.86 |
| Diesel | $5.30 | $1.06 | $2.12 |
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 29, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.