How far is it from Seneca, IL to Union, IL?

The distance between Seneca, IL and Union, IL is 78 mi by road.

How long does it take to drive from Seneca, IL to Union, IL?

The drive from Seneca, IL to Union, IL takes approximately 2 h by car.

The fastest route from Seneca, IL to Union, IL covers 78 mi with a driving time of approximately 2 h.

Union, IL lies roughly to the north of Seneca, IL.

The drive from Seneca, IL to Union, IL mainly follows IL 47.

Towns on the route from Seneca, IL to Union, IL include Morris, Yorkville, Oswego, Campton Hills, Elgin.

Distance: 78 miDuration: 2 h

Driving from Seneca, IL to Union, IL takes about 2 h via IL 47. The distance is 78 mi. The straight-line distance is 63 mi. EV charging is available along the route, including in Morris, IL, Yorkville, IL, Sugar Grove, IL, Elburn, IL, Huntley, IL. Driving directions

Driving directions32 · 78 mi

The return trip from Union, IL to Seneca, IL covers roughly the same distance, 78 mi.

No notable attractions were found along this route.

Distance and drive time are computed from OpenStreetMap road data with the OSRM routing engine. Updated 3 August 2026.

How far is it from Seneca, IL to Union, IL?: The distance between Seneca, IL and Union, IL is 78 mi by road.
How long does it take to drive from Seneca, IL to Union, IL?: The drive from Seneca, IL to Union, IL takes approximately 2 h by car.
What is the best route from Seneca, IL to Union, IL?: The fastest route from Seneca, IL to Union, IL covers 78 mi with a driving time of approximately 2 h.
Which direction is Union, IL from Seneca, IL?: Union, IL lies roughly to the north of Seneca, IL.
Which roads does the route from Seneca, IL to Union, IL follow?: The drive from Seneca, IL to Union, IL mainly follows IL 47.
Which towns do you pass between Seneca, IL and Union, IL?: Towns on the route from Seneca, IL to Union, IL include Morris, Yorkville, Oswego, Campton Hills, Elgin.