Origin
Oakville, MO
Morning in Oakville on Friday
Local time
9:05 AM
CDT
Current temp
83°F
Unavailable
Live forecast
Trip from Oakville, MO to Saint Peters, MO
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 17, 2026 · Editorial standards
Drive Time
46m
Distance
35.3 mi
57 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$6
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 43m
★
6 AM
0h 47m
8 AM
0h 54m
10 AM
0h 49m
12 PM
0h 49m
3 PM
0h 50m
5 PM
0h 54m
8 PM
0h 44m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Oakville, MO
Wikimedia Commons
Saint Peters, MO
Wikimedia Commons
Trip Overview
The drive from Oakville, MO to Saint Peters, MO covers 35.3 miles and takes about 46m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on I 270, I 70, I 255 for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 18.7 miles on I 270. At current regular gas prices, budget about $5.52 one way before food or hotel costs.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 46m. Total distance: 35.3 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
46m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (89%). Some complex stretches to watch for.
Drive Character
This is a 46m highway drive covering 35.3 miles, with most of the trip on I 270 and I 70. The longest continuous stretch is about 18.7 miles on I 270.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 13 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 270 is the longest continuous segment at about 18.7 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 270 and I 70. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes early in the drive near Cliff Cave Road.
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 8 decision points packed into just 35.3 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 46m.
Where does it get tricky?
The main spots that need attention: near the start (Cliff Cave Road): Navigation decision point; at 2.1 miles (I 255; US 50): Merge point - match speed before joining. Lane positioning matters here; at 23 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Critical Maneuvers
5 of 8 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
0 mi into trip
|
~0m in
|
Cliff Cave Road
Turn left onto Cliff Cave Road
Navigation decision point
5
2.1 mi into trip
|
~5m in
|
I 255; US 50
Merge onto I 255; US 50
Merge point - match speed before joining. Lane positioning matters here
Use the straight lane.
8
23 mi into trip
|
~31m in
Take the exit toward I 70: Kansas City, Saint Louis, Saint Louis Lambert International Airport
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 20A
Toward I 70: Kansas City, Saint Louis, Saint Lo...
7
24 mi into trip
|
~32m in
Keep slight left at fork toward I 70 West: Kansas City
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left lane.
Toward I 70 West: Kansas City
5
24.8 mi into trip
|
~33m in
|
I 70
Merge onto I 70
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Oakville, MO and Saint Peters, MO, road signs point toward Saint Louis and Saint Louis Lambert International Airport.
Saint Louis
23 mi in
|
~31m
Saint Louis Lambert International Airport
23 mi in
|
~31m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 270 | 18.7 mi | 23m |
| I 70 | 10.5 mi | 13m |
| I 255 | 2.2 mi | 2m |
| Telegraph Road | 1.7 mi | 3m |
| Cliff Cave Road | <0.1 mi | <1m |
Longest stretch:
I 270
— 18.7 mi, about 23m
Turn-by-Turn Driving Directions
Step-by-step road directions between Oakville, MO and Saint Peters, MO.
1
Start on this road
120 ft
·
13 sec
·
this road
2
Turn left
130 ft
·
15 sec
3
Turn left onto Cliff Cave Road
171 ft
·
7 sec
·
Cliff Cave Road
4
Turn slight right
160 ft
·
3 sec
Toward MO 231
5
Turn slight right onto MO 231
1.7 mi
·
3 min
·
Telegraph Road
6
Take the ramp
0.2 mi
·
55 sec
Toward I 255 West, US 50 West: Memphis
7
Merge onto I 255; US 50
2.2 mi
·
2 min
·
I 255; US 50
Use the straight lane.
8
Continue on I 270
19 mi
·
23 min
·
I 270
Use the straight lane.
9
Take the exit
1.0 mi
·
1 min
Exit 20A
Toward I 70: Kansas City, Saint Louis, Saint Louis Lambert International Airport
Use the slight right lane.
10
Keep slight left at fork
0.1 mi
·
11 sec
Toward I 70 West: Kansas City
Use the slight left lane.
11
Continue on this road
0.6 mi
·
57 sec
·
this road
Exit 20B
Toward I 70 West: Kansas City
12
Merge onto I 70
11 mi
·
13 min
·
I 70
Use the straight / slight right lanes.
13
Arrive at destination
I 70
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 17.7 mi from Oakville, MO · 24m into the drive
Mid-route town
Meal stop
18 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 35 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 17.7 miles from Oakville, MO, which is a good place for a longer meal and fuel stop.
Arriving in Saint Peters, MO
Allow a few extra minutes for the final approach into Saint Peters, MO if you are unfamiliar with the area.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$5.52 one way
$11.04 round trip
$3.97/gal
25.4 MPG avg
12 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $6.06 | $12.12 |
| premium | $4.89 | $6.79 | $13.59 |
| diesel | $5.61 | $7.79 | $15.59 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$6
Estimated CO2 emission: 12.4 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $4 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 10.6 | 0 | $3.71 | $1.69 |
| Efficient EV | 8.8 | 0 | $3.09 | $1.41 |
| EV Truck/SUV | 14.1 | 0 | $4.94 | $2.26 |
Gas CO2
12 kg
EV CO2
4 kg (67% 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 Peters, MO
Morning in Saint Peters on Friday
Local time
9:05 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
26 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
46m 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 Oakville, MO to Saint Peters, MO covers 35.3 miles and takes about 46m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 270, I 70, I 255. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 17.7 miles from Oakville, MO. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $5.52 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 is a short but busy drive. With 8 decision points packed into just 35.3 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 46m.
The main spots that need attention: near the start (Cliff Cave Road): Navigation decision point; at 2.1 miles (I 255; US 50): Merge point - match speed before joining. Lane positioning matters here; at 23 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Between Oakville, MO and Saint Peters, MO, road signs point toward Saint Louis and Saint Louis Lambert International Airport.
Yes. Nearby national parks include Gateway Arch National Park.
How this page is built
Compiled by the Trip.ovh 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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