How far is Sunset Hills, MO from Saint Peters, MO?
The driving distance from Sunset Hills, MO to Saint Peters, MO is about 27.7 miles (44.6 km), with a travel time of about 00h 30m by car.
- The straight-line flight distance is about 21.6 miles (34.7 km).
- For a round trip, plan for roughly 01h 00m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 00h 30m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Scattered Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Sunset Hills and Saint Peters.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sunset Hills and Saint Peters.
-
1
Start on Robyn Hills Drive
631 ft · 32 sec · Robyn Hills Drive
-
2
At the end of the road, turn right onto Robyn Road
1.3 km · 2 min · Robyn Road
-
3
Continue on Rott Road
1.3 km · 2 min · Rott Road
-
4
Turn left onto South Geyer Road
607 ft · 28 sec · South Geyer Road
-
5
Take the ramp left toward I 44 West, I 270, US 50 West: Tulsa, Chicago, Memphis
1898 ft · 40 sec
-
6
Keep slight right to continue on I 270: Memphis, Chicago
749 ft · 16 sec
-
7
Keep slight right to continue on I 270 North: Chicago
1937 ft · 38 sec
-
8
Merge slight left
12.6 mi · 16 min
-
9
Take the exit slight right toward I 70: Kansas City, Saint Louis, Saint Louis Lambert International Airport
1 mi · 1 min
-
10
Keep slight left to continue on I 70 West: Kansas City
645 ft · 11 sec
-
11
Continue on I 70 West: Kansas City
1 km · 57 sec
-
12
Merge slight left
10.5 mi · 13 min
-
13
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Sunset Hills and Saint Peters.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
I 270 North
Merge slight left
12.6 mi · 00h 16m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Scattered Showers And Thunderstorms leaving Sunset Hills and Chance Showers And Thunderstorms near Saint Peters.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sunset Hills to Saint Peters?
The road trip is about 27.7 miles (44.6 km) and usually takes 00h 30m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Maryland Heights is a useful midpoint, sitting about 13.9 miles from Sunset Hills and 13.9 miles from Saint Peters.
How much longer is the road route than the straight-line distance?
The direct path is about 21.6 miles (34.7 km), while the road route adds roughly 6.1 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:30 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.70 one way or $7.39 round trip. Estimated CO2 is about 8.7 kg one way.
What should you check before leaving?
Before you leave, expect Scattered Showers And Thunderstorms around Sunset Hills and Chance Showers And Thunderstorms near Saint Peters.
Stop Ideas Near Maryland Heights
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Maryland Heights.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between Sunset Hills and Saint Peters. Straight-line distance: 21.59 mi (34.74 km).
#1 Sunset Hills
City in Saint Louis County, Missouri, United States
| Population | 8,448 |
| Coordinates | 38.5389400, -90.4073400 |
| Altitude | 188 |
| Country | United States |
#2 Saint Peters
The most populous city in St.
| Population | 58,043 |
| Coordinates | 38.8003300, -90.6265100 |
| Altitude | 134 |
| Country | United States |
End: I 70 West (-90.626511, 38.800311)
Estimated Travel Time
Distance: 45 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 55m |
| 40 mph (64.37 km/h) | 00h 41m |
| 50 mph (80.47 km/h) | 00h 33m |
| 60 mph (96.56 km/h) | 00h 27m |
| 70 mph (112.65 km/h) | 00h 23m |
| 80 mph (129 km/h) | 00h 20m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $3.70 | $7.39 |
| Mid-grade | $4.25 | $4.17 | $8.34 |
| Premium | $4.65 | $4.56 | $9.12 |
| Diesel | $5.30 | $5.20 | $10.40 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Missouri · May 31, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.