Origin
Ash Grove, MO
Afternoon in Ash Grove on Sunday
Local time
2:33 PM
CDT
Current temp
79°F
Unavailable
Live forecast
Trip from Ash Grove, MO to Saint Peters, MO
Drive Time
3h 44m
Distance
242.1 mi
390 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$37
one way
Ash Grove, MO
life vibes
Saint Peters, MO
Aleksandra Żmuda
Trip Overview
The drive from Ash Grove, MO to Saint Peters, MO covers 242.1 miles and takes about 3h 44m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Calhoun Avenue, East Boone Street, the route for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $36.77 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
121.1 miles from Ash Grove, MO
A natural place for your longest stop of the day , about 1h 52m into the drive .
Drive Character
Expect a 3h 44m drive with frequent turns across 242.1 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 33 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Calhoun Avenue is one of the defining roads on this drive.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way.
Route Complexity
3/10
Easy - simple navigation with a manageable amount of wheel time
This is a straightforward 3h 44m drive. You will face about 0 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
This route does not have any notably tricky sections. Most of the drive from Ash Grove, MO to Saint Peters, MO is straightforward, with well-signed roads and simple exits.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Calhoun Avenue | Unavailable | Refreshing |
| East Boone Street | Unavailable | Refreshing |
| the route | Unavailable | Refreshing |
| Payne Stewart Highway | Unavailable | Refreshing |
| I 44 | Unavailable | Refreshing |
| Manchester Road | Unavailable | Refreshing |
| MO 109 | Unavailable | Refreshing |
| South Eatherton Road | Unavailable | Refreshing |
Per-road distance and duration are being refreshed from OSRM for this route.
Longest stretch:
Calhoun Avenue
— detailed segment metrics are refreshing.
Turn-by-Turn Driving Directions
Step-by-step road directions between Ash Grove, MO and Saint Peters, MO.
1
Start on West Main Street
98 ft
·
10 sec
·
West Main Street
2
Turn left onto Calhoun Avenue
0.2 mi
·
31 sec
·
Calhoun Avenue
3
Turn right onto East Boone Street
10 mi
·
13 min
·
East Boone Street
4
Enter the roundabout and take exit 1 toward the route
95 ft
·
3 sec
·
the route
5
Exit the roundabout
0.6 mi
·
48 sec
6
Enter the roundabout and take exit 2 toward the route
128 ft
·
4 sec
·
the route
7
Exit the roundabout
1.3 mi
·
1 min
8
Enter the roundabout and take exit 2 toward the route
108 ft
·
5 sec
·
the route
9
Exit the roundabout
3.6 mi
·
4 min
10
Take the ramp left
0.3 mi
·
40 sec
11
Merge slight left onto Payne Stewart Highway
177 mi
·
3 hr 12 min
·
Payne Stewart Highway
12
Take the exit slight right toward I 44 Business, MO 100 East: Gray Summit
0.2 mi
·
28 sec
·
I 44 Business, MO 100 East: Gray Summit
13
Turn left onto Manchester Road
13 mi
·
18 min
·
Manchester Road
14
Take the exit slight right toward MO 109
0.2 mi
·
31 sec
·
MO 109
15
Enter the roundabout and take exit 3 toward the route
223 ft
·
4 sec
·
the route
16
Exit the roundabout
515 ft
·
11 sec
17
Enter the roundabout and take exit 1 toward the route
98 ft
·
2 sec
·
the route
18
Exit the roundabout
0.4 mi
·
45 sec
19
Enter the roundabout and take exit 2 toward the route
95 ft
·
2 sec
·
the route
20
Exit the roundabout
4.3 mi
·
6 min
21
Enter the roundabout and take exit 2 toward South Eatherton Road
95 ft
·
1 sec
·
South Eatherton Road
22
Exit the roundabout onto South Eatherton Road
2.4 mi
·
4 min
·
South Eatherton Road
23
Continue on Olive Street Road
0.9 mi
·
1 min
·
Olive Street Road
24
Take the ramp left toward Chesterfield Airport Road
0.7 mi
·
1 min
·
Chesterfield Airport Road
25
Merge slight left onto Avenue of the Saints
2.7 mi
·
3 min
·
Avenue of the Saints
26
Take the exit slight right toward MO 94: Defiance, Saint Charles
0.2 mi
·
16 sec
·
MO 94: Defiance, Saint Charles
27
Keep slight right to continue on MO 94 East: Saint Charles
312 ft
·
5 sec
·
MO 94 East: Saint Charles
28
Merge slight left
3.4 mi
·
4 min
29
Keep slight right to continue on Mid Rivers Mall Drive, Pitman Hill Road
0.2 mi
·
22 sec
·
Mid Rivers Mall Drive, Pitman Hill Road
30
Turn left onto Mid Rivers Mall Drive
4.7 mi
·
9 min
·
Mid Rivers Mall Drive
31
Take the ramp straight toward I 70 West: Wentzville
0.3 mi
·
20 sec
·
I 70 West: Wentzville
32
Merge slight left
479 ft
·
7 sec
33
Arrive at your destination
Trip Plan
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 121.1 miles from Ash Grove, MO, or about 1h 52m into the drive.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 80 miles or 1h 14m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 121.1 miles or 1h 52m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 3m
Traffic, exits, and arrival timing usually matter more near Saint Peters, MO than in the middle of the route.
Before You Leave
+
Open the route before leaving Ash Grove, MO so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Ash Grove, MO
This is one driving day of about 242.1 miles and 3h 44m.
Your first comfortable stop window is around 80 miles from Ash Grove, MO.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 121.1 mi from Ash Grove, MO · 1h 52m into the drive
Mid-route town
Meal stop
121 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 80 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 121.1 miles from Ash Grove, MO, which is a good place for a longer meal and fuel stop.
Arriving in Saint Peters, MO
The final approach into Saint Peters, MO usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Saint Peters, MO.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$36.77 one way
$73.55 round trip
$3.86/gal
25.4 MPG avg
85 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.25 | $40.54 | $81.07 |
| premium | $4.80 | $45.70 | $91.41 |
| diesel | $5.64 | $53.79 | $107.57 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$37
Meals
$25–$50
Total
$62–$87
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 84.7 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $25 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 72.6 | 0 | $25.42 | $11.62 |
| Efficient EV | 60.5 | 0 | $21.18 | $9.68 |
| EV Truck/SUV | 96.8 | 1 | $33.89 | $15.49 |
Gas CO2
85 kg
EV CO2
28 kg (67% less)
Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
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 Peters, MO
Afternoon in Saint Peters on Sunday
Local time
2:33 PM
CDT
Current temp
54°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
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
25 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
3h 44m 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 Ash Grove, MO to Saint Peters, MO covers 242.1 miles and takes about 3h 44m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Calhoun Avenue, East Boone Street, the route. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 121.1 miles from Ash Grove, MO. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $36.77 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
This is a straightforward 3h 44m drive. You will face about 0 decision points, but nothing that requires special attention if you follow navigation.
This route does not have any notably tricky sections. Most of the drive from Ash Grove, MO to Saint Peters, MO is straightforward, with well-signed roads and simple exits.
The route from Ash Grove, MO to Saint Peters, MO does not surface many named destination signs beyond the main corridor.
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