Origin
Calverton Park, MO
Late night in Calverton Park on Sunday
Local time
5:00 AM
CDT
Current temp
57°F
Unavailable
Live forecast
Trip from Calverton Park, MO to Saint Charles, MO
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
19m
Distance
12.7 mi
20 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$2
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 18m
★
6 AM
0h 19m
8 AM
0h 23m
10 AM
0h 21m
12 PM
0h 20m
3 PM
0h 21m
5 PM
0h 23m
8 PM
0h 18m
★
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Calverton Park, MO
Kelly
Saint Charles, MO
Wikimedia Commons
Trip Overview
Calverton Park to Saint Charles is 12.7 miles and takes about 19 minutes via Rosemary Straub Davison Highway and I-70, with a fuel budget near $2 and enough daylight to finish in a day. This short hop stays within Missouri, taking you from the Midwest region to another part of the same region. Expect a local drive with frequent turns, making it a straightforward, quick trip for getting from point A to point B. With minimal driving time and cost, this route is ideal for a simple day trip or a quick commute.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Rosemary Straub Davison Highway | 6 mi | 7m |
| I 70 | 2.7 mi | 3m |
| South Fifth Street | 1 mi | 2m |
| North Florissant Road | 0.4 mi | <1m |
| South New Florissant Road | 0.2 mi | <1m |
| Jefferson Street | 0.2 mi | <1m |
| Dunn Road | 0.2 mi | <1m |
| North Second Street | 0.2 mi | <1m |
Longest stretch:
Rosemary Straub Davison Highway
— 6 mi, about 7m
Turn-by-Turn Driving Directions
Step-by-step road directions between Calverton Park, MO and Saint Charles, MO.
1
Start on MO N
0.4 mi
·
55 sec
·
North Florissant Road
2
Continue on MO N
0.2 mi
·
39 sec
·
South New Florissant Road
3
Turn left onto Dunn Road
0.2 mi
·
25 sec
·
Dunn Road
Use the left lane.
4
Take the ramp
0.2 mi
·
30 sec
Toward I 270 West
5
Merge onto I 270
6.0 mi
·
7 min
·
Rosemary Straub Davison Highway
Use the straight / slight right lanes.
6
Take the exit
0.3 mi
·
25 sec
Exit 20A
Toward I 70: Saint Louis, Kansas City
7
Continue on this road
0.5 mi
·
42 sec
·
this road
Exit 20A-B
Toward I 70: Saint Louis, Kansas City
Use the slight left / slight right lanes.
8
Keep slight right at fork
0.5 mi
·
41 sec
Exit 20B
Toward I 70 West: Kansas City
Use the slight right lane.
9
Merge onto I 70
2.7 mi
·
3 min
·
I 70
10
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.
11
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.
12
Turn slight right onto I 70 Business
1.0 mi
·
2 min
·
South Fifth Street
Use the right lane.
13
Turn right onto Jefferson Street
0.2 mi
·
44 sec
·
Jefferson Street
14
Turn left onto North Second Street
0.2 mi
·
34 sec
·
North Second Street
15
Arrive at destination
North Second Street
Heads-up: tricky spots
5 of 125 decision points cluster between mile 0.7 and 11.2 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
0.7 mi into trip
|
~1m in
|
Dunn Road
Turn left onto Dunn Road
Lane positioning matters here
Use the left lane.
6
7.1 mi into trip
|
~10m in
Take the exit toward I 70: Saint Louis, Kansas City
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Exit 20A
Toward I 70: Saint Louis, Kansas City
8
7.9 mi into trip
|
~11m in
Keep slight right at fork toward I 70 West: Kansas City
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Exit 20B
Toward I 70 West: Kansas City
7
11.1 mi into trip
|
~15m 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
11.2 mi into trip
|
~15m 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...
Fuel & Cost
Regular Gas
$1.99 one way
$3.97 round trip
$3.97/gal
25.4 MPG avg
4 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $2.18 | $4.36 |
| premium | $4.89 | $2.44 | $4.89 |
| diesel | $5.61 | $2.80 | $5.61 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$2
Estimated CO2 emission: 4.4 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 | 3.8 | 0 | $1.33 | $0.61 |
| Efficient EV | 3.2 | 0 | $1.11 | $0.51 |
| EV Truck/SUV | 5.1 | 0 | $1.78 | $0.81 |
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
Saint Charles, MO
Late night in Saint Charles on Sunday
Local time
5:00 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
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.
What kind of drive is this?
This route features a turn-heavy local drive profile, meaning you'll be navigating several intersections and changes in direction. Only 23% of the drive is on highways, with the longest uninterrupted stretch covering 6 miles on Rosemary Straub Davison Highway. You'll experience a mix of local road driving and some interstate travel on I-70. Be prepared for a dynamic driving experience that requires attention to changing road conditions and traffic signals throughout the 19-minute journey.
Only 23% highway — the rest is turn-by-turn surface driving.
15 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 6 mi on Rosemary Straub Davison Highway.
How Hard Is This Drive?
9/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.7 miles in near Dunn Road.
Driving Effort
9/10
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 12 decision points packed into just 12.7 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 19m.
Where does it get tricky?
The main spots that need attention: at 0.7 miles (Dunn Road): Lane positioning matters here; at 7.1 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 7.9 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 Calverton Park, MO to Saint Charles, MO, road signs begin pointing toward Kansas City along the way.
Kansas City
7.1 mi in
|
~10m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 19m. Total distance: 12.7 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
Mostly surface roads route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 6 miles on Rosemary Straub Davison Highway. 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 0.7 miles (Dunn Road): Lane positioning matters here; at 7.1 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 7.9 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 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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