How far is Saint Charles, MO from High Ridge, MO?
The driving distance from Saint Charles, MO to High Ridge, MO is about 30.4 miles (49 km), with a travel time of about 00h 43m by car.
- The straight-line flight distance is about 22.7 miles (36.5 km).
- For a round trip, plan for roughly 01h 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 43m.
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.
City in Saint Louis County, Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Saint Charles and High Ridge.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Charles and High Ridge.
-
1
Start on North Second Street
1551 ft · 55 sec · North Second Street
-
2
Turn right onto First Capitol Drive
1079 ft · 44 sec · First Capitol Drive
-
3
Turn left onto South Fifth Street
1.6 km · 3 min · South Fifth Street
-
4
Take the ramp slight left toward I 70 East
1019 ft · 14 sec
-
5
Merge slight left
2.7 mi · 3 min
-
6
Take the exit slight right toward I 270: Chicago, Memphis
872 ft · 12 sec
-
7
Keep slight right to continue on I 270 South: Memphis
2339 ft · 33 sec
-
8
Continue on I 270 South: Memphis
723 ft · 10 sec
-
9
Merge slight left
15.6 mi · 19 min
-
10
Take the exit slight right toward MO 30: Gravois Road
1580 ft · 34 sec
-
11
Keep slight right to continue on MO 30 West: Fenton
93 m · 7 sec
-
12
Merge slight left
8.6 mi · 12 min
-
13
Take the exit slight right toward High Ridge Boulevard
45 m · 4 sec
-
14
Turn straight onto High Ridge Boulevard
1.2 km · 2 min · High Ridge Boulevard
-
15
Turn right
59 m · 19 sec
-
16
At the end of the road, turn left
46 m · 11 sec
-
17
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Saint Charles and High Ridge.
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.
I 270 South
Merge slight left
15.6 mi · 00h 19m
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.
Showers And Thunderstorms leaving Saint Charles and Showers And Thunderstorms Likely near High Ridge.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Charles to High Ridge?
The road trip is about 30.4 miles (49 km) and usually takes 00h 43m 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?
Des Peres is a useful midpoint, sitting about 15.2 miles from Saint Charles and 15.2 miles from High Ridge.
How much longer is the road route than the straight-line distance?
The direct path is about 22.7 miles (36.5 km), while the road route adds roughly 7.7 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 7:04 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.03 one way or $8.07 round trip. Estimated CO2 is about 9.5 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Saint Charles and Showers And Thunderstorms Likely near High Ridge.
Stop Ideas Near Des Peres
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 Des Peres.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between Saint Charles and High Ridge. Straight-line distance: 22.66 mi (36.46 km).
#1 Saint Charles
A city in St.
| Population | 71,761 |
| Coordinates | 38.7839400, -90.4812300 |
| Altitude | 147 |
| Country | United States |
#2 High Ridge
Census designated place
| Population | 4,305 |
| Coordinates | 38.4589400, -90.5365100 |
| Altitude | 281 |
| Country | United States |
End: High Ridge (-90.53651, 38.45894)
Estimated Travel Time
Distance: 49 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 00m |
| 40 mph (64.37 km/h) | 00h 45m |
| 50 mph (80.47 km/h) | 00h 36m |
| 60 mph (96.56 km/h) | 00h 30m |
| 70 mph (112.65 km/h) | 00h 26m |
| 80 mph (129 km/h) | 00h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $4.03 | $8.07 |
| Mid-grade | $4.25 | $4.55 | $9.10 |
| Premium | $4.65 | $4.98 | $9.96 |
| Diesel | $5.30 | $5.68 | $11.35 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.