How far is Saint Peters, MO from Rolla, MO?
The driving distance from Saint Peters, MO to Rolla, MO is about 104.3 miles (167.9 km), with a travel time of about 02h 10m by car.
- The straight-line flight distance is about 85.4 miles (137.4 km).
- For a round trip, plan for roughly 04h 21m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 10m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Franklin County, Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Saint Peters and Rolla.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Peters and Rolla.
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1
Start on the route
3 mi · 4 min
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2
Take the exit slight right toward MO K: O'Fallon, Main Street
119 m · 8 sec
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3
Turn straight onto East Terra Lane
1.4 km · 2 min · East Terra Lane
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4
Turn slight left
19 m · 2 sec
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5
Continue straight
3.1 mi · 6 min
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6
Continue straight
3.4 mi · 5 min
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7
Take the ramp slight right toward I 64 East, US 40 East, US 61 South
1523 ft · 22 sec
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8
Merge slight left onto Avenue of the Saints
3.7 mi · 5 min · Avenue of the Saints
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9
Take the exit slight right toward Chesterfield Airport Road
2700 ft · 58 sec
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10
Continue on Chesterfield Airport Road
110 m · 7 sec · Chesterfield Airport Road
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11
Turn right onto Olive Street Road
64 m · 5 sec
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12
Turn right onto Olive Street Road
1.5 km · 2 min · Olive Street Road
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13
Continue on North Eatherton Road
2.4 mi · 5 min · North Eatherton Road
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14
Enter the roundabout and take exit 2 toward the route
21 m · 1 sec
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15
Exit the roundabout
4.3 mi · 7 min
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16
Enter the roundabout and take exit 2 toward the route
29 m · 2 sec
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17
Exit the roundabout
2098 ft · 45 sec
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18
Enter the roundabout and take exit 2 toward MO 100 West: Gray Summit
23 m · 2 sec
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19
Exit the roundabout onto MO 100 West: Gray Summit
1202 ft · 33 sec
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20
Merge slight left
13.3 mi · 19 min
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21
Take the exit slight right toward I 44 West, US 50 West: St. Clair
1157 ft · 14 sec
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22
Merge slight left
66.3 mi · 1 hr 11 min
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23
Take the exit slight right toward I 44 Business, US 63 South, MO 72: Rolla, Jefferson City
951 ft · 25 sec
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24
Turn left onto North Bishop Avenue
1850 ft · 51 sec · North Bishop Avenue
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25
Turn left onto North Elm Street
1632 ft · 58 sec · North Elm Street
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26
At the end of the road, turn right onto West 14th Street
45 m · 10 sec · West 14th Street
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27
Turn left onto North Elm Street
1340 ft · 48 sec · North Elm Street
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28
Turn right onto West 10th Street
62 m · 7 sec · West 10th Street
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29
Arrive at your destination
0 m · 1 sec · West 10th Street
Car Route Details
A richer read on the saved driving route between Saint Peters and Rolla.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 44 West
Merge slight left
66.3 mi · 01h 11m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny leaving Saint Peters and Mostly Sunny near Rolla.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Peters to Rolla?
The road trip is about 104.3 miles (167.9 km) and usually takes 02h 10m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Saint Clair is a useful midpoint, sitting about 52.1 miles from Saint Peters and 52.2 miles from Rolla.
How much longer is the road route than the straight-line distance?
The direct path is about 85.4 miles (137.4 km), while the road route adds roughly 18.9 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 2:08 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.88 one way or $27.75 round trip. Estimated CO2 is about 32.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Saint Peters and Mostly Sunny near Rolla.
Stop Ideas Near Saint Clair
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 Saint Clair.
Washington
Hermann
Kirkwood
Gateway Transportation Center
Flight Path Map
This map shows the direct air route between Saint Peters and Rolla. Straight-line distance: 85.35 mi (137.36 km).
#1 Saint Peters
The most populous city in St.
| Population | 58,043 |
| Coordinates | 38.8003300, -90.6265100 |
| Altitude | 134 |
| Country | United States |
#2 Rolla
City in Phelps County, Missouri, United States
| Population | 20,437 |
| Coordinates | 37.9514300, -91.7712700 |
| Altitude | 342 |
| Country | United States |
End: Rolla (-91.77127, 37.95143)
Estimated Travel Time
Distance: 168 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 28m |
| 40 mph (64.37 km/h) | 02h 36m |
| 50 mph (80.47 km/h) | 02h 05m |
| 60 mph (96.56 km/h) | 01h 44m |
| 70 mph (112.65 km/h) | 01h 29m |
| 80 mph (129 km/h) | 01h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $13.88 | $27.75 |
| Mid-grade | $4.25 | $15.65 | $31.30 |
| Premium | $4.65 | $17.13 | $34.25 |
| Diesel | $5.30 | $19.52 | $39.04 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.