Origin
Saint Charles, MO
Late night in Saint Charles on Friday
Local time
1:41 AM
CDT
Current temp
57°F
Unavailable
Live forecast
Trip from Saint Charles, MO to Berkeley, MO
Compiled by the Trip.ovh editorial team · Last recalculated Apr 17, 2026 · Methodology
Drive Time
19m
Distance
12.4 mi
20 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 17m
★
6 AM
0h 19m
8 AM
0h 22m
10 AM
0h 20m
12 PM
0h 20m
3 PM
0h 20m
5 PM
0h 22m
8 PM
0h 18m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Saint Charles, MO
Wikimedia Commons
Berkeley, MO
Valeria Boltneva
Trip Overview
The drive from Saint Charles, MO to Berkeley, MO covers 12.4 miles and takes about 19m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Officer Scott H Armstrong Memorial Highway, Rosemary Straub Davison Highway, Inner Belt Expressway for much of the mileage, and the overall profile is turn-heavy local drive. The longest uninterrupted segment is about 3.8 miles on Officer Scott H Armstrong Memorial Highway. At current regular gas prices, budget about $1.94 one way before food or hotel costs.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 19m. Total distance: 12.4 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
19m 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
Expect a 19m drive with frequent turns across 12.4 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 15 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 6 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 12.4 miles you will encounter 6 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 6 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 |
| Inner Belt Expressway | 1.3 mi | 1m |
| North Second Street | 1 mi | 2m |
| Discovery Bridge | 0.7 mi | <1m |
| Airport Road | 0.4 mi | <1m |
| MO 370 | 0.4 mi | <1m |
| North Third Street | 0.3 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 Berkeley, 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
0.4 mi
·
51 sec
·
Airport Road
14
Turn left onto Evergreen Boulevard
0.3 mi
·
1 min
·
Evergreen Boulevard
15
Arrive at destination
Evergreen Boulevard
Fuel & Cost
Regular Gas
$1.94 one way
$3.88 round trip
$3.97/gal
25.4 MPG avg
4 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $2.13 | $4.26 |
| premium | $4.89 | $2.39 | $4.77 |
| diesel | $5.61 | $2.74 | $5.48 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$2
Estimated CO2 emission: 4.3 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $1 in charging · 0 stops · 75% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 3.7 | 0 | $1.30 | $0.60 |
| Efficient EV | 3.1 | 0 | $1.09 | $0.50 |
| EV Truck/SUV | 5 | 0 | $1.74 | $0.79 |
Gas CO2
4 kg
EV CO2
1 kg (75% 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
Berkeley, MO
Late night in Berkeley on Friday
Local time
1:41 AM
CDT
Current temp
77°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
20 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
19m 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 Berkeley, MO covers 12.4 miles and takes about 19m 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, Inner Belt Expressway. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 6.2 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 $1.94 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 12.4 miles you will encounter 6 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 Berkeley, MO does not surface many named destination signs beyond the main corridor.
Yes. Nearby national parks include Gateway Arch National Park.
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