Origin
Dellwood, MO
Late night in Dellwood on Tuesday
Local time
4:24 AM
CDT
Current temp
72°F
Unavailable
Live forecast
Trip from Dellwood, MO to Saint Charles, MO
Pin this tripCompiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards
Drive Time
21m
Distance
14.8 mi
24 km
Drive Score
8/10
Great 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 26m
10 AM
0h 23m
12 PM
0h 23m
3 PM
0h 23m
5 PM
0h 26m
8 PM
0h 21m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Dellwood, MO
Momo King
Saint Charles, MO
Wikimedia Commons
Trip Overview
If you are planning a quick trip from Dellwood to Saint Charles, Missouri, you are looking at a brief 14.9-mile journey. This drive typically takes about 20 minutes, making it a perfect candidate for a single-day excursion. You will navigate through the Midwest by utilizing Hereford Avenue, Airport Road, and I-170 South. Budgeting around $2 for fuel should be more than enough to cover the distance, given the short duration. Because the total travel time is so manageable, you do not need to worry about overnight splits or complex itineraries. It is a straightforward, practical route that connects two Missouri communities efficiently.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 70 | 8.8 mi | 10m |
| Airport Road | 1.8 mi | 2m |
| South Fifth Street | 1 mi | 2m |
| Inner Belt Expressway | 0.8 mi | <1m |
| Chambers Road | 0.7 mi | 1m |
| Hereford Avenue | 0.4 mi | <1m |
| Jefferson Street | 0.2 mi | <1m |
| North Second Street | 0.2 mi | <1m |
Longest stretch:
I 70
— 8.8 mi, about 10m
Turn-by-Turn Driving Directions
Step-by-step road directions between Dellwood, MO and Saint Charles, MO.
1
Start on Chambers Road
0.7 mi
·
1 min
·
Chambers Road
2
Continue on Hereford Avenue
0.4 mi
·
39 sec
·
Hereford Avenue
3
Continue on Airport Road
1.8 mi
·
2 min
·
Airport Road
4
Take the ramp
0.3 mi
·
19 sec
Toward I 170 South
5
Merge onto I 170
0.8 mi
·
59 sec
·
Inner Belt Expressway
6
Take the exit
0.4 mi
·
48 sec
Exit 7B
Toward I 70 West: Kansas City
Use the slight right lane.
7
Merge onto I 70
8.8 mi
·
10 min
·
I 70
Use the straight lane.
8
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.
9
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.
10
Turn slight right onto I 70 Business
1.0 mi
·
2 min
·
South Fifth Street
Use the right lane.
11
Turn right onto Jefferson Street
0.2 mi
·
44 sec
·
Jefferson Street
12
Turn left onto North Second Street
0.2 mi
·
34 sec
·
North Second Street
13
Arrive at destination
North Second Street
Heads-up: tricky spots
5 of 95 decision points cluster between mile 4.1 and 14.6 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
7
4.1 mi into trip
|
~6m in
Take the exit toward I 70 West: Kansas City
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 7B
Toward I 70 West: Kansas City
5
4.5 mi into trip
|
~6m in
|
I 70
Merge onto I 70
Merge point - match speed before joining. Lane positioning matters here
Use the straight lane.
7
13.3 mi into trip
|
~17m 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
13.4 mi into trip
|
~18m 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...
5
14.6 mi into trip
|
~21m in
|
North Second Street
Turn left onto North Second Street
Navigation decision point
Fuel & Cost
Regular Gas
$2.31 one way
$4.63 round trip
$3.97/gal
25.4 MPG avg
5 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $2.54 | $5.08 |
| premium | $4.89 | $2.85 | $5.70 |
| diesel | $5.61 | $3.27 | $6.54 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$2
Estimated CO2 emission: 5.2 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 | $1.55 | $0.71 |
| Efficient EV | 3.7 | 0 | $1.30 | $0.59 |
| EV Truck/SUV | 5.9 | 0 | $2.07 | $0.95 |
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
Saint Charles, MO
Late night in Saint Charles on Tuesday
Local time
4:24 AM
CDT
Current temp
57°F
Mostly Sunny
NW 16 mph
1% chance
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
15 degrees cooler 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
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
What kind of drive is this?
Expect a turn-heavy local drive rather than a high-speed interstate cruise. Since the highway share for this route is 0%, you will spend the entire 14.9 miles navigating local roads and surface streets. You won't encounter any long, uninterrupted highway stretches, so stay alert for frequent turns and changing traffic conditions. The personality of this drive is functional and urban, requiring your full attention as you transition between local roads. It is a compact trip that keeps you off the major freeways, resulting in a more hands-on driving experience.
66% highway — fuel and pacing are the main things to plan.
13 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 8.8 mi on I 70.
How Hard Is This Drive?
7/10
This is a straightforward highway drive that stays mostly on I 70 and Airport Road. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 4.1 miles in.
Driving Effort
7/10
Focused - busy navigation packed into a short drive
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 9 decision points packed into just 14.8 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 21m.
Where does it get tricky?
The main spots that need attention: at 4.1 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 4.5 miles (I 70): Merge point - match speed before joining. Lane positioning matters here; at 13.3 miles (I 70 Business): Exit ramp - move to the correct lane early. Lane positioning matters here.
About the Cities
Arriving in Saint Charles, MO
Full guide →St. Charles, Missouri is outside of St. Louis on the bank of the Missouri River. It was Missouri's first state capital and was one of the first stops by Lewis and Clark on their journey to explore Louisiana Territory. The historic Main Street has largely been restored to its 1812-era appearance including gas lights a boardwalk and is lined with shops selling artwork, handicrafts, home decorations, antiques. There are also many restaurants.
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 21m. Total distance: 14.8 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.
First-Time Driver
Mostly highway driving (66%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 8.8 miles on I 70. 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 Saint Charles, 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 4.1 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 4.5 miles (I 70): Merge point - match speed before joining. Lane positioning matters here; at 13.3 miles (I 70 Business): Exit ramp - move to the correct lane early. 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 Saint Charles, MO before heading back.
How this page is built
Compiled by the US Trip Planner 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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