Origin
Saint Charles, MO
Afternoon in Saint Charles on Saturday
Local time
1:57 PM
CDT
Current temp
57°F
Unavailable
Live forecast
Trip from Saint Charles, MO to High Ridge, 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
30.4 mi
49 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$5
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 39m
★
6 AM
0h 43m
8 AM
0h 50m
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.
Saint Charles, MO
Wikimedia Commons
High Ridge, MO
Marta Branco
Trip Overview
The drive from Saint Charles, MO to High Ridge, MO covers 30.4 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 mostly highway. The longest uninterrupted segment is about 15.6 miles on I 270. At current regular gas prices, budget about $4.75 one way before food or hotel costs.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 270 | 15.6 mi | 19m |
| MO 30 | 8.6 mi | 11m |
| I 70 | 2.7 mi | 3m |
| South Fifth Street | 1.1 mi | 2m |
| High Ridge Boulevard | 0.8 mi | 1m |
| Jefferson Street | 0.2 mi | <1m |
| North Second Street | 0.2 mi | <1m |
Longest stretch:
I 270
— 15.6 mi, about 19m
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Charles, MO and High Ridge, MO.
1
Start on North Second Street
0.2 mi
·
38 sec
·
North Second Street
2
Turn right onto Jefferson Street
0.2 mi
·
44 sec
·
Jefferson Street
3
Turn left onto MO 94
1.1 mi
·
2 min
·
South Fifth Street
Use the straight / right lanes.
4
Take the ramp
0.2 mi
·
14 sec
Toward I 70 East
Use the left / straight lanes.
5
Merge onto I 70
2.7 mi
·
3 min
·
I 70
6
Take the exit
0.2 mi
·
12 sec
Exit 232
Toward I 270: Chicago, Memphis
Use the slight right lane.
7
Keep slight right at fork
0.4 mi
·
33 sec
Toward I 270 South: Memphis
Use the slight right lane.
8
Continue on this road
0.1 mi
·
10 sec
·
this road
Exit 232
Toward I 270 South: Memphis
9
Merge onto I 270
16 mi
·
19 min
·
I 270
Use the straight lane.
10
Take the exit
0.3 mi
·
33 sec
Exit 3
Toward MO 30: Gravois Road
Use the slight right lane.
11
Keep slight right at fork
306 ft
·
7 sec
Toward MO 30 West: Fenton
Use the right lane.
12
Merge onto MO 30
8.6 mi
·
11 min
·
MO 30
Use the straight lane.
13
Take the exit
147 ft
·
5 sec
Toward High Ridge Boulevard
14
Turn straight onto High Ridge Boulevard
0.8 mi
·
1 min
·
High Ridge Boulevard
15
Turn right
194 ft
·
19 sec
16
At end of road, turn left
151 ft
·
10 sec
17
Arrive at destination
Heads-up: tricky spots
5 of 135 decision points cluster between mile 0.4 and 21 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
0.4 mi into trip
|
~1m in
|
MO 94 / South Fifth Street
Turn left onto MO 94 / South Fifth Street
Lane positioning matters here
Use the straight / right lanes.
8
4.3 mi into trip
|
~7m in
Take the exit toward I 270: Chicago, Memphis
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 232
Toward I 270: Chicago, Memphis
7
4.5 mi into trip
|
~8m in
Keep slight right at fork toward I 270 South: Memphis
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Toward I 270 South: Memphis
7
20.7 mi into trip
|
~28m in
Take the exit toward MO 30: Gravois Road
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 3
Toward MO 30: Gravois Road
8
21 mi into trip
|
~28m in
Keep slight right at fork toward MO 30 West: Fenton
Highway fork - watch signs carefully. Lane positioning matters here
Use the right lane.
Toward MO 30 West: Fenton
Fuel & Cost
Regular Gas
$4.75 one way
$9.51 round trip
$3.97/gal
25.4 MPG avg
11 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $5.22 | $10.44 |
| premium | $4.89 | $5.85 | $11.70 |
| diesel | $5.61 | $6.71 | $13.42 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$5
Estimated CO2 emission: 10.6 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 | 9.1 | 0 | $3.19 | $1.46 |
| Efficient EV | 7.6 | 0 | $2.66 | $1.22 |
| EV Truck/SUV | 12.2 | 0 | $4.26 | $1.95 |
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.
Destination
High Ridge, MO
Afternoon in High Ridge on Saturday
Local time
1:57 PM
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.
What kind of drive is this?
30.4 mi in 43m, mostly highway — 15.6 mi of that is on I 270.
88% highway — fuel and pacing are the main things to plan.
17 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 15.6 mi on I 270.
How Hard Is This Drive?
10/10
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 around 0.4 miles in near MO 94 / South Fifth Street.
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 30.4 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: at 0.4 miles (MO 94 / South Fifth Street): Lane positioning matters here; at 4.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 4.5 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Saint Charles, MO to High Ridge, MO, road signs begin pointing toward Memphis along the way.
Memphis
4.3 mi in
|
~7m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 43m. Total distance: 30.4 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 (88%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 15.6 miles on I 270. The full list of main roads is in the Roads section above.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at High Ridge, MO before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: at 0.4 miles (MO 94 / South Fifth Street): Lane positioning matters here; at 4.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 4.5 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Yes — Gateway Arch National Park. See the National Parks section for detour distances and tips on detours.
Yes. A round trip is manageable in a single day if you plan a break at High Ridge, MO before heading back.
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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