How far is High Ridge, MO from Saint Peters, MO?
The driving distance from High Ridge, MO to Saint Peters, MO is about 37 miles (59.6 km), with a travel time of about 00h 40m by car.
- The straight-line flight distance is about 24.1 miles (38.8 km).
- For a round trip, plan for roughly 01h 20m 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 40m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Village in west St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Isolated Showers And Thunderstorms then Scattered Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between High Ridge and Saint Peters.
Turn-by-Turn Driving Directions
Step-by-step road directions between High Ridge and Saint Peters.
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1
Start on the route
36 m · 11 sec
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2
At the end of the road, turn right onto High Ridge Boulevard
1262 ft · 45 sec · High Ridge Boulevard
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3
Turn left
835 ft · 22 sec
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4
Turn left
9.4 mi · 13 min
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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 High Ridge 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.
I 270 North
Merge slight left
14.7 mi · 00h 18m
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.
Isolated Showers And Thunderstorms then Scattered Showers And Thunderstorms leaving High Ridge and Chance Showers And Thunderstorms near Saint Peters.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from High Ridge to Saint Peters?
The road trip is about 37 miles (59.6 km) and usually takes 00h 40m 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?
Westwood is a useful midpoint, sitting about 18.7 miles from High Ridge and 18.4 miles from Saint Peters.
How much longer is the road route than the straight-line distance?
The direct path is about 24.1 miles (38.8 km), while the road route adds roughly 12.9 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 7:10 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.94 one way or $9.88 round trip. Estimated CO2 is about 11.6 kg one way.
What should you check before leaving?
Before you leave, expect Isolated Showers And Thunderstorms then Scattered Showers And Thunderstorms around High Ridge and Chance Showers And Thunderstorms near Saint Peters.
Stop Ideas Near Westwood
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 Westwood.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between High Ridge and Saint Peters. Straight-line distance: 24.08 mi (38.76 km).
#1 High Ridge
Census designated place
| Population | 4,305 |
| Coordinates | 38.4589400, -90.5365100 |
| Altitude | 281 |
| 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: 60 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 14m |
| 40 mph (64.37 km/h) | 00h 55m |
| 50 mph (80.47 km/h) | 00h 44m |
| 60 mph (96.56 km/h) | 00h 37m |
| 70 mph (112.65 km/h) | 00h 31m |
| 80 mph (129 km/h) | 00h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $4.94 | $9.88 |
| Mid-grade | $4.25 | $5.57 | $11.14 |
| Premium | $4.65 | $6.10 | $12.19 |
| Diesel | $5.30 | $6.95 | $13.90 |
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 · May 31, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.