Distance between St. Peters MO and St. Charles MO
The distance from St. Peters to St. Charles is 12 miles by road including 9 miles on motorways. Road takes approximately 20 minutes.
Shortest distance by air | 8 mi ✈️ |
Car route length | 11.8 mi 🚗 |
Driving time | 20 min |
Fuel amount | 0.4 gal |
Fuel cost | 1.4 USD |

Point | Distance | Time | Fuel | |
St. Peters | 0 mi | 00 min | 0.0 gal | |
I 70 9 mi, 14 min
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St. Charles | 9 mi | 14 min | 0.2 gal | |
I 70 2 mi, 06 min
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38.78318, -90.48237 | 12 mi | 20 min | 0.4 gal |
Hotels of St. Charles
Frequently Asked Questions
How much does it cost to drive from St. Peters to St. Charles?
Fuel cost: 1.4 USD
This fuel cost is calculated as: (Route length 11.8 mi) / (Fuel consumption 29.4 mpg) * (Fuel price 3.37 USD / gal)
You can adjust fuel consumption and fuel price here.
How long is a car ride from St. Peters to St. Charles?
Driving time: 20 min
This time is calculated for driving at the maximum permitted speed, taking into account traffic rules restrictions.
- 8 mi with a maximum speed 60 mph = 8 min
- 1 mi with a maximum speed 35 mph = 1 min
- 2 mi with a maximum speed 12 mph = 8 min
The calculated driving time does not take into account intermediate stops and traffic jams.
How far is St. Peters to St. Charles by land?
The distance between St. Peters and St. Charles is 11.8 mi by road including 8.7 mi on motorways.
Precise satellite coordinates of highways were used for this calculation. The start and finish points are the centers of St. Peters and St. Charles respectively.
What city is halfway between St. Peters and St. Charles?
The halfway point between St. Peters and St. Charles is St. Charles. It is located about 3 mi from the exact midpoint by road.
The distance from St. Charles to St. Peters is 9 mi and driving will take about 14 min. The road between St. Charles and St. Charles has length 2 mi and will take approximately 6 min.
Where is St. Peters in relation to St. Charles?
St. Peters is located 8 mi west of St. Charles.
St. Peters has geographic coordinates: latitude 38.80104, longitude -90.62788.
St. Charles has geographic coordinates: latitude 38.78318, longitude -90.48237.
Which highway goes from St. Peters to St. Charles?
The route from St. Peters to St. Charles follows I 70.
Other minor sections pass along the road:
- I 70 Business: 1 mi