Origin
Saint Charles, MO
Morning in Saint Charles on Saturday
Local time
10:59 AM
CDT
Current temp
57°F
Unavailable
Live forecast
Trip from Saint Charles, MO to Dellwood, MO
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
21m
Distance
14.7 mi
24 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$2
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 20m
★
6 AM
0h 22m
8 AM
0h 25m
10 AM
0h 23m
12 PM
0h 23m
3 PM
0h 23m
5 PM
0h 25m
8 PM
0h 21m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Saint Charles, MO
Wikimedia Commons
Dellwood, MO
Momo King
Trip Overview
If you are looking for a quick transit between Saint Charles and Dellwood, Missouri, this 14.7-mile connection is a straightforward way to cross the region. Expect to spend about 21 minutes behind the wheel, making it an easy trip to complete in a single day. You will not need to worry about complex logistics or overnight stays for this short distance. With fuel costs estimated at just $2, it is a budget-friendly commute within the Midwest. This is a practical, no-nonsense drive that gets you from point A to point B without any unnecessary detours.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 21m. Total distance: 14.7 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
21m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
Scenic Drive
Turn-heavy local drive route profile with national parks nearby.
Drive Character
Prepare for a turn-heavy local drive that keeps you engaged as you navigate through the area. You will travel primarily on local roads, including Tecumseh Street, North Third Street, and the Patrick J Bray Memorial Highway. Since this route has a highway share of 0%, you should expect a steady pace on surface streets rather than long, high-speed interstate segments. There is no significant longest stretch of open road, so stay alert for changing traffic patterns. This path is entirely local, reflecting a shift from the character of Saint Charles to the environment of Dellwood.
This route has more turning and local-road decision points than a simple highway run.
There are about 16 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Officer Scott H Armstrong Memorial Highway is the longest continuous segment at about 3.8 miles.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. You will hit about 5 points where you need to pay attention to lane position or signs. The trickiest moment comes around 1.6 miles in near MO 370 / Patrick J Bray Memorial Highway.
Driving Effort
6/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 14.7 miles you will encounter 5 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 1.6 miles (MO 370 / Patrick J Bray Memorial Highway): Merge point - match speed before joining; at 6.1 miles (MO 370): Highway fork - watch signs carefully. Lane positioning matters here; at 6.5 miles (I 270 / Rosemary Straub Davison Highway): Merge point - match speed before joining. Lane positioning matters here.
Critical Maneuvers
5 of 5 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
4
1.6 mi into trip
|
~4m in
|
MO 370 / Patrick J Bray Memorial Highway
Merge onto MO 370 / Patrick J Bray Memorial Highway
Merge point - match speed before joining
7
6.1 mi into trip
|
~9m in
|
MO 370
Keep slight left at fork onto MO 370 toward I 270 North: Chicago
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight lane.
Toward I 270 North: Chicago
5
6.5 mi into trip
|
~10m in
|
I 270 / Rosemary Straub Davison Highway
Merge onto I 270 / Rosemary Straub Davison Highway
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
7
9.7 mi into trip
|
~14m in
Take the exit toward I 170 South: Clayton
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 26A
Toward I 170 South: Clayton
7
11.4 mi into trip
|
~16m in
Take the exit toward Airport Road
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 9A
Toward Airport Road
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Officer Scott H Armstrong Memorial Highway | 3.8 mi | 4m |
| Rosemary Straub Davison Highway | 3.2 mi | 3m |
| Airport Road | 1.8 mi | 2m |
| Inner Belt Expressway | 1.3 mi | 1m |
| North Second Street | 1 mi | 2m |
| Chambers Road | 0.7 mi | 1m |
| Discovery Bridge | 0.7 mi | <1m |
| Hereford Avenue | 0.4 mi | <1m |
Longest stretch:
Officer Scott H Armstrong Memorial Highway
— 3.8 mi, about 4m
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Charles, MO and Dellwood, MO.
1
Start on North Second Street
1.0 mi
·
2 min
·
North Second Street
2
Continue on MO 94
199 ft
·
5 sec
·
Tecumseh Street
3
Continue on MO 94
0.3 mi
·
52 sec
·
North Third Street
4
Take the ramp
0.2 mi
·
15 sec
5
Merge onto MO 370
223 ft
·
3 sec
·
Patrick J Bray Memorial Highway
6
Continue on MO 370
0.7 mi
·
49 sec
·
Discovery Bridge
7
Continue on MO 370
3.8 mi
·
4 min
·
Officer Scott H Armstrong Memorial Highway
8
Keep slight left at fork onto MO 370
0.4 mi
·
28 sec
·
MO 370
Toward I 270 North: Chicago
Use the straight lane.
9
Merge onto I 270
3.2 mi
·
3 min
·
Rosemary Straub Davison Highway
Use the straight / slight right lanes.
10
Take the exit
0.4 mi
·
32 sec
Exit 26A
Toward I 170 South: Clayton
Use the slight right lane.
11
Continue on I 170
1.3 mi
·
1 min
·
Inner Belt Expressway
12
Take the exit
0.3 mi
·
34 sec
Exit 9A
Toward Airport Road
Use the slight right lane.
13
Turn left onto Airport Road
1.8 mi
·
2 min
·
Airport Road
14
Continue on Hereford Avenue
0.4 mi
·
39 sec
·
Hereford Avenue
15
Continue on Chambers Road
0.7 mi
·
1 min
·
Chambers Road
16
Arrive at destination
Chambers Road
Fuel & Cost
Regular Gas
$2.30 one way
$4.60 round trip
$3.97/gal
25.4 MPG avg
5 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $2.52 | $5.05 |
| premium | $4.89 | $2.83 | $5.66 |
| diesel | $5.61 | $3.25 | $6.49 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$2
Estimated CO2 emission: 5.1 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $2 in charging · 0 stops · 60% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 4.4 | 0 | $1.54 | $0.71 |
| Efficient EV | 3.7 | 0 | $1.29 | $0.59 |
| EV Truck/SUV | 5.9 | 0 | $2.06 | $0.94 |
Gas CO2
5 kg
EV CO2
2 kg (60% 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
Dellwood, MO
Morning in Dellwood on Saturday
Local time
10:59 AM
CDT
Current temp
58°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
1 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
21m 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 Saint Charles, MO to Dellwood, MO covers 14.7 miles and takes about 21m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Officer Scott H Armstrong Memorial Highway, Rosemary Straub Davison Highway, Airport Road. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 7.3 miles from Saint Charles, MO. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $2.30 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 drive requires moderate attention. Across 14.7 miles you will encounter 5 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
The main spots that need attention: at 1.6 miles (MO 370 / Patrick J Bray Memorial Highway): Merge point - match speed before joining; at 6.1 miles (MO 370): Highway fork - watch signs carefully. Lane positioning matters here; at 6.5 miles (I 270 / Rosemary Straub Davison Highway): Merge point - match speed before joining. Lane positioning matters here.
The route from Saint Charles, MO to Dellwood, MO does not surface many named destination signs beyond the main corridor.
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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