How far is St. Louis, MO from High Ridge, MO?

The driving distance from St. Louis, MO to High Ridge, MO is about 25.5 miles (41.1 km), with a travel time of about 00h 37m by car.

  • The straight-line flight distance is about 21.7 miles (34.9 km).
  • For a round trip, plan for roughly 01h 15m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
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
25.51 mi
00h 37m
Flight
21.68 mi
34.89 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from St. Louis.

Flight Distance

Direct air line
21.68 mi
Kilometers
34.89 km
Flight Time
00h 02m

Driving Distance

Road route
25.51 mi
Kilometers
41.06 km
Drive Time
00h 37m

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 37m.

Arrival Snapshot
Arrive in High Ridge
Thu, Apr 23, 7:13 AM CDT
Return by in St. Louis
Thu, Apr 23, 7:51 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave St. Louis
2026-04-23T06:35
Arrive High Ridge
Thu, Apr 23, 7:13 AM CDT
Route Timing
00h 37m
One way by road
Best Departure Window
7:00 AM to 7:00 PM CDT
Leave when it suits your day
Arrive between
7:38 AM to 7:38 PM CDT

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

Leave by
7:14 PM CDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in St. Louis
10:00 PM CDT
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
Mehlville
MO

Census designated place

From St. Louis
12.7 mi
00h 18m
To High Ridge
12.7 mi
00h 18m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM CDT
Wind
9 to 17 mph S
Destination
82°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM CDT
Wind
5 to 13 mph S

Driving Route Map

The map below follows the saved road route between St. Louis and High Ridge.

Turn-by-Turn Driving Directions

Step-by-step road directions between St. Louis and High Ridge.

  1. 1

    Start on Market Street

    26 m · 4 sec · Market Street

  2. 2

    Turn left onto South Tucker Boulevard

    1.3 mi · 4 min · South Tucker Boulevard

  3. 3

    Turn straight onto Gravois Avenue

    1619 ft · 46 sec · Gravois Avenue

  4. 4

    Take the ramp left toward I 55 South: Memphis

    626 ft · 15 sec

  5. 5

    Merge slight left

    9.7 mi · 12 min

  6. 6

    Take the exit slight right toward US 50, US 61, US 67, I 255, I 270: Lindbergh Boulevard, Chicago, Kansas City

    1267 ft · 27 sec

  7. 7

    Keep slight right to continue on I 255, I 270: Chicago, Kansas City

    3228 ft · 1 min

  8. 8

    Keep slight right to continue on I 270 West: Kansas City

    1 km · 57 sec

  9. 9

    Merge slight left

    2.8 mi · 3 min

  10. 10

    Take the exit slight right toward MO 30: Gravois Road

    1216 ft · 30 sec

  11. 11

    Turn left

    8.7 mi · 12 min

  12. 12

    Take the exit slight right toward High Ridge Boulevard

    45 m · 5 sec

  13. 13

    Turn straight onto High Ridge Boulevard

    1.2 km · 2 min · High Ridge Boulevard

  14. 14

    Turn right

    59 m · 19 sec

  15. 15

    At the end of the road, turn left

    46 m · 11 sec

  16. 16

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between St. Louis and High Ridge.

OSRM road route
Drive Character

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.

Directions
16 steps
6 turns on the saved route
Ramps & Exits
6
2 merges, 4 ramps or exits
Navigation Density
62.7 / 100 mi
Decision points by distance
Main Roads
I 55 South
9.8 mi · 38%
I 270 West
3.41 mi · 13%
South Tucker Boulevard
1.35 mi · 5%
High Ridge Boulevard
0.79 mi · 3%
I 255
0.61 mi · 2%
Gravois Avenue
0.31 mi · 1%
Longest Stretch

I 55 South

Merge slight left

9.68 mi · 00h 12m

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 37m
Quick drive
Same-Day Return
01h 16m
Round-trip wheel time
Road vs Air
+3.8 mi
21.7 mi direct line
Halfway Stop
Mehlville
00h 18m from St. Louis
Leave By
7:14 PM CDT
Flexible departure
Weather Watch

Mostly Sunny leaving St. Louis and Mostly Sunny near High Ridge.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from St. Louis to High Ridge?

The road trip is about 25.5 miles (41.1 km) and usually takes 00h 37m 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?

Mehlville is a useful midpoint, sitting about 12.7 miles from St. Louis and 12.7 miles from High Ridge.

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

The direct path is about 21.7 miles (34.9 km), while the road route adds roughly 3.8 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 7:14 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.39 one way or $6.79 round trip. Estimated CO2 is about 8 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around St. Louis and Mostly Sunny near High Ridge.

Stop Ideas Near Mehlville

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

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

RAIL

Kirkwood

11 mi away
110 West Argonne Dr.
RAIL

Gateway Transportation Center

16 mi away
551 South 16th St.
RAIL

Alton

47 mi away
3400 College Ave.
RAIL

Washington

60 mi away
301 West Front St.

Flight Path Map

This map shows the direct air route between St. Louis and High Ridge. Straight-line distance: 21.68 mi (34.89 km).

St. Louis

#1 St. Louis

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

Population315,685
Coordinates38.6272700, -90.1978900
Altitude142
CountryUnited States
High Ridge

#2 High Ridge

Census designated place

Population4,305
Coordinates38.4589400, -90.5365100
Altitude281
CountryUnited States
Start: St. Louis (-90.19789, 38.62727)
End: High Ridge (-90.53651, 38.45894)

Estimated Travel Time

Distance: 41 km by road

SpeedTime
30 mph (48.3 km/h)00h 51m
40 mph (64.37 km/h)00h 38m
50 mph (80.47 km/h)00h 30m
60 mph (96.56 km/h)00h 25m
70 mph (112.65 km/h)00h 21m
80 mph (129 km/h)00h 19m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.9 gal
3.41 L · about $3.39
Round trip
$6.79
1.8 gal · 6.82 L
Estimated CO2
8 kg one way
Round trip: 16 kg / 35 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $3.39 $6.79
Mid-grade $4.25 $3.83 $7.66
Premium $4.65 $4.19 $8.38
Diesel $5.30 $4.77 $9.55

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 23, 2026

There is no time difference between St. Louis and High Ridge. The current time is 06:35:43.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

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