Origin
Saint Peters, MO
Night in Saint Peters on Wednesday
Local time
9:26 PM
CDT
Current temp
57°F
Unavailable
Live forecast
Trip from Saint Peters, MO to Potosi, MO
Last recalculated Apr 16, 2026
Drive Time
2h
Distance
87.6 mi
141 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$14
one way
Best Time to Leave
4 AM
1h 52m
★
6 AM
2h 0m
8 AM
2h 18m
10 AM
2h 6m
12 PM
2h 5m
3 PM
2h 7m
5 PM
2h 17m
8 PM
1h 55m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Saint Peters, MO
Wikimedia Commons
Trip Overview
The drive from Saint Peters, MO to Potosi, MO covers 87.6 miles and takes about 2h behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on MO 79, I 70 East, I 270 for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $13.70 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
0 planned breaks
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
43.8 miles from Saint Peters, MO
A natural place for your longest stop of the day , about 1h into the drive .
Drive Character
Expect a 2h drive with frequent turns across 87.6 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 21 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
MO 79 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. Navigation is very simple - set it and forget it for most of the drive.
Route Complexity
1/10
Very easy - short and simple to drive
The drive from Saint Peters, MO to Potosi, MO is easy. At 2h with 0% highway, most drivers will find it relaxed and low-stress.
Where does it get tricky?
This route does not have any notably tricky sections. Most of the drive from Saint Peters, MO to Potosi, MO is straightforward, with well-signed roads and simple exits.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| MO 79 | — | — |
| I 70 East | — | — |
| I 270 | — | — |
| I 270 South | — | — |
| MO 30 | — | — |
| MO 30 West | — | — |
| MO 141 | — | — |
| MO 21 South | — | — |
Some road-level metrics are being recalculated.
Longest stretch:
MO 79
— detailed segment metrics are refreshing.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Peters, MO and Potosi, MO.
1
Start on the route
1.2 mi
·
1 min
·
the route
2
Take the exit slight right toward MO 79: Elsberry, Louisiana
0.1 mi
·
15 sec
·
MO 79: Elsberry, Louisiana
3
Keep slight left to continue on MO 79
384 ft
·
15 sec
·
MO 79
4
Turn left
0.1 mi
·
11 sec
5
Take the ramp slight right toward I 70 East
0.2 mi
·
19 sec
·
I 70 East
6
Merge slight left
12 mi
·
14 min
7
Take the exit slight right toward I 270: Chicago, Memphis
0.2 mi
·
12 sec
·
I 270: Chicago, Memphis
8
Keep slight right to continue on I 270 South: Memphis
0.4 mi
·
33 sec
·
I 270 South: Memphis
9
Continue on I 270 South: Memphis
0.1 mi
·
10 sec
·
I 270 South: Memphis
10
Merge slight left
16 mi
·
19 min
11
Take the exit slight right toward MO 30: Gravois Road
0.3 mi
·
34 sec
·
MO 30: Gravois Road
12
Keep slight right to continue on MO 30 West: Fenton
305 ft
·
8 sec
·
MO 30 West: Fenton
13
Merge slight left
2.4 mi
·
3 min
14
Take the exit slight right toward MO 141: Fenton, Valley Park
0.2 mi
·
27 sec
·
MO 141: Fenton, Valley Park
15
Turn left
4.0 mi
·
5 min
16
Take the exit slight right toward MO 21 South: Hillsboro
0.2 mi
·
14 sec
·
MO 21 South: Hillsboro
17
Merge slight left onto Veterans Memorial Highway
20 mi
·
23 min
·
Veterans Memorial Highway
18
At the end of the road, turn left
0.5 mi
·
49 sec
19
Continue straight
29 mi
·
46 min
20
Turn right onto East High Street
1.0 mi
·
1 min
·
East High Street
21
Arrive at your destination
Trip Plan
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 43.8 miles from Saint Peters, MO, or about 1h 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 19 miles or 26m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 43.8 miles or 1h in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 1h 42m
Traffic, exits, and arrival timing usually matter more near Potosi, MO than in the middle of the route.
Before You Leave
+
Open the route before leaving Saint Peters, 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 Saint Peters, MO
This is one driving day of about 87.6 miles and 2h.
Your first comfortable stop window is around 19 miles from Saint Peters, MO.
This route can stay practical as a one-day drive if traffic stays reasonable.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 43.8 mi from Saint Peters, MO · 1h into the drive
Mid-route town
Meal stop
44 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 19 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 43.8 miles from Saint Peters, MO, which is a good place for a longer meal and fuel stop.
Arriving in Potosi, MO
The final approach into Potosi, 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 Potosi, 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
$13.70 one way
$27.39 round trip
$3.97/gal
25.4 MPG avg
31 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $15.04 | $30.07 |
| premium | $4.89 | $16.86 | $33.72 |
| diesel | $5.61 | $19.34 | $38.68 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$14
Meals
$25–$50
Total
$39–$64
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 30.6 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $9 in charging · 0 stops · 68% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 26.3 | 0 | $9.20 | $4.20 |
| Efficient EV | 21.9 | 0 | $7.66 | $3.50 |
| EV Truck/SUV | 35 | 0 | $12.26 | $5.61 |
Gas CO2
31 kg
EV CO2
10 kg (68% 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
Potosi, MO
Night in Potosi on Wednesday
Local time
9:26 PM
CDT
Current temp
56°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
1 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
2h 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 Peters, MO to Potosi, MO covers 87.6 miles and takes about 2h without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are MO 79, I 70 East, I 270. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 43.8 miles from Saint Peters, MO. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $13.70 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.
The drive from Saint Peters, MO to Potosi, MO is easy. At 2h with 0% highway, most drivers will find it relaxed and low-stress.
This route does not have any notably tricky sections. Most of the drive from Saint Peters, MO to Potosi, MO is straightforward, with well-signed roads and simple exits.
The route from Saint Peters, MO to Potosi, MO does not surface many named destination signs beyond the main corridor.
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