Is there public transit?

No, there is no public transit between Troy and O'Fallon.

How long is the drive?

The drive takes approximately 25 minutes.

No, there are no tolls on this route.

What is the best time to drive?

Any time is fine, but avoid peak school hours if possible.

Yes, O'Fallon is a safe, growing community.

Troy

O'Fallon

Driving

Troy to O'Fallon

Updated: 28 May 2026

The trip from Troy to O'Fallon is a short, 18-mile drive south. The most direct route is taking US-61 South, which connects the two cities in about 25 minutes. This is a common local commute for residents in the area. There is no public transit or flight option, as the distance is too short.

Total Distance: 30 km driving, 25 km air distance.

Fastest Way

Driving takes about 25 minutes, depending on traffic.

Cheapest Way

Driving your own vehicle is the only practical and cheapest way.

Compare Troy to O'Fallon Routes

Driving

Direct

Duration

25 mins

Avg Price

$4-$9

Operator

Personal Vehicle

Route

US-61 South.

The road is well-maintained and traffic is generally light.

Travel Tips

Traffic
Traffic is usually light, but be aware of construction on US-61.
Navigation
US-61 is a straightforward road, but use GPS for the most accurate route.
Parking
Parking is readily available throughout O'Fallon.
Dining
Try the local restaurants in downtown O'Fallon for a quick meal.
Planning
No special planning is needed for this short trip.

Safety Tips

Speed Limits
Observe speed limits, especially when entering the city limits of O'Fallon.
Weather
Be cautious during heavy rain or snow, as rural roads can get slick.
Vehicle Prep
Ensure your lights and signals are working properly.
Distracted Driving
Stay focused on the road, even on short trips.