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Trip from High Ridge, MO to Saint Charles, MO

Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards

Drive Time

43m

Distance

31.1 mi

50 km

Drive Score

6/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$5

one way

EV Charging

Unknown

Best Time to Leave

Save up to 11 min
4 AM
0h 40m ★
6 AM
0h 43m
8 AM
0h 51m
10 AM
0h 46m
12 PM
0h 45m
3 PM
0h 46m
5 PM
0h 50m
8 PM
0h 41m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Downtown High Ridge, MO, MO

High Ridge, MO

Marta Branco

city in and county seat of St. Charles County, Missouri, United States

Saint Charles, MO

Wikimedia Commons

Trip Overview

The drive from High Ridge, MO to Saint Charles, MO covers 31.1 miles and takes about 43m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on I 270, MO 30, I 70 for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 14.7 miles on I 270. At current regular gas prices, budget about $4.86 one way before food or hotel costs.

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 43m. Total distance: 31.1 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

43m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

First-Time Driver

Mostly highway driving (87%). Some complex stretches to watch for.

Drive Character

This is a 43m highway drive covering 31.1 miles, with most of the trip on I 270 and MO 30. The longest continuous stretch is about 14.7 miles on I 270.

Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 16 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 270 is the longest continuous segment at about 14.7 miles.

How Hard Is This Drive?

This is a straightforward highway drive that stays mostly on I 270 and MO 30. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes early in the drive near High Ridge Boulevard.

Driving Effort 10/10

Focused - lots of decisions in a short distance, but it is over quickly

Balances navigation complexity with total wheel time.

This is a short but busy drive. With 13 decision points packed into just 31.1 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 43m.

Where does it get tricky?

The main spots that need attention: near the start (High Ridge Boulevard): Complex interchange - multiple decisions in a short stretch; at 25 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 26.1 miles: Highway fork - watch signs carefully. Lane positioning matters here.

Critical Maneuvers

5 of 13 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

6
0 mi into trip | ~0m in | High Ridge Boulevard

At end of road, turn right onto High Ridge Boulevard

Complex interchange - multiple decisions in a short stretch

8
25 mi into trip | ~33m in

Take the exit toward I 70: Kansas City, Saint Louis, Saint Louis Lambert International Airport

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight right lane. Exit 20A Toward I 70: Kansas City, Saint Louis, Saint Lo...
7
26.1 mi into trip | ~34m in

Keep slight left at fork toward I 70 West: Kansas City

Highway fork - watch signs carefully. Lane positioning matters here

Use the slight left lane. Toward I 70 West: Kansas City
7
29.5 mi into trip | ~39m in | I 70 Business

Take the exit onto I 70 Business toward I 70 Business: Fifth Street

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the straight / slight right lanes. Exit 229B Toward I 70 Business: Fifth Street
9
29.7 mi into trip | ~39m in

Keep slight right at fork toward I 70 Business: Fifth Street North, Bass Pro Drive, Ameristar Boulevard

Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one

Use the right lane. Toward I 70 Business: Fifth Street North, Bass...

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

Between High Ridge, MO and Saint Charles, MO, road signs point toward Saint Louis and Saint Louis Lambert International Airport.

Saint Louis

25 mi in | ~33m

Saint Louis Lambert International Airport

25 mi in | ~33m

Main Roads

Road Distance Duration
I 270 14.7 mi 18m
MO 30 9.4 mi 12m
I 70 2.7 mi 3m
South Fifth Street 1 mi 2m
High Ridge Boulevard 0.2 mi <1m
Jefferson Street 0.2 mi <1m
North Second Street 0.2 mi <1m
I 70 Business 0.2 mi <1m
Longest stretch: I 270 — 14.7 mi, about 18m

Turn-by-Turn Driving Directions

Step-by-step road directions between High Ridge, MO and Saint Charles, MO.

1

Start on this road

119 ft · 10 sec · this road
2

At end of road, turn right onto High Ridge Boulevard

0.2 mi · 45 sec · High Ridge Boulevard
3

Turn left onto MO PP

0.2 mi · 22 sec · MO PP
4

Turn left onto MO 30

9.4 mi · 12 min · MO 30
Use the straight lane.
5

Take the exit

0.4 mi · 35 sec
Toward I 270 North
6

Merge onto I 270

15 mi · 18 min · I 270
Use the straight lane.
7

Take the exit

1.0 mi · 1 min
Exit 20A Toward I 70: Kansas City, Saint Louis, Saint Louis Lambert International Airport Use the slight right lane.
8

Keep slight left at fork

0.1 mi · 11 sec
Toward I 70 West: Kansas City Use the slight left lane.
9

Continue on this road

0.6 mi · 57 sec · this road
Exit 20B Toward I 70 West: Kansas City
10

Merge onto I 70

2.7 mi · 3 min · I 70
11

Take the exit onto I 70 Business

0.2 mi · 17 sec · I 70 Business
Exit 229B Toward I 70 Business: Fifth Street Use the straight / slight right lanes.
12

Keep slight right at fork

231 ft · 5 sec
Toward I 70 Business: Fifth Street North, Bass Pro Drive, Ameristar Boulevard Use the right lane.
13

Turn slight right onto I 70 Business

1.0 mi · 2 min · South Fifth Street
Use the right lane.
14

Turn right onto Jefferson Street

0.2 mi · 44 sec · Jefferson Street
15

Turn left onto North Second Street

0.2 mi · 34 sec · North Second Street
16

Arrive at destination

North Second Street

Fuel & Cost

Regular Gas

$4.86 one way

$9.72 round trip

$3.97/gal 25.4 MPG avg 11 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.36 $5.34 $10.68
premium $4.89 $5.98 $11.97
diesel $5.61 $6.87 $13.73

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$5

Estimated CO2 emission: 10.9 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $3 in charging · 0 stops · 64% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 9.3 0 $3.27 $1.49
Efficient EV 7.8 0 $2.72 $1.24
EV Truck/SUV 12.4 0 $4.35 $1.99

Gas CO2

11 kg

EV CO2

4 kg (64% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Apr 15, 2026

Origin

High Ridge, MO

Morning in High Ridge on Saturday

Local time

10:00 AM

CDT

Current temp

57°F

Unavailable

Live forecast

Destination

Saint Charles, MO

Morning in Saint Charles on Saturday

Local time

10:00 AM

CDT

Current temp

57°F

Unavailable

Live forecast

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

Very similar conditions

Both ends of the route are sitting at about the same temperature right now.

Road read

43m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

Frequently Asked Questions

The drive from High Ridge, MO to Saint Charles, MO covers 31.1 miles and takes about 43m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.

The main roads are I 270, MO 30, I 70. Most of the drive stays on highways, so watch for ramps and exits.

This is a comfortable same-day trip.

The midpoint is about 15.6 miles from High Ridge, MO. Look for rest areas, gas stations, or food options near the halfway mark.

At current regular gas prices, expect to spend about $4.86 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.

Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.

This is a short but busy drive. With 13 decision points packed into just 31.1 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 43m.

The main spots that need attention: near the start (High Ridge Boulevard): Complex interchange - multiple decisions in a short stretch; at 25 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 26.1 miles: Highway fork - watch signs carefully. Lane positioning matters here.

Between High Ridge, MO and Saint Charles, MO, road signs point toward Saint Louis and Saint Louis Lambert International Airport.

Yes. Nearby national parks include Gateway Arch National Park.

How this page is built

Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.

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