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About
Thelma Keller Convention Center is an event venue at 1301 Ave of Mid-America, Effingham, IL 62401. Events include conventions, trade shows, special events. It is in Effingham County, about 95 miles from St. Louis.
Thelma Keller Convention Center in Effingham, Illinois, offers a variety of event spaces for conventions, trade shows, special events, corporate conferences, weddings, community festivals, and expos. Founded in 1991 and named after local philanthropist Thelma Keller, the center was developed in the late 1980s to provide versatile event spaces. It features spacious rooms, a flexible ballroom, a convenient lobby, ample parking, and a direct connection to the Holiday Inn. These amenities support a wide range of gatherings and activities in the Effingham area.
- Address
- 1301 Ave of Mid-America, Effingham, IL 62401
- Phone
- (217) 347-5115
- Parking
- ample parking
- County
- Effingham County
- Highways
- Interstate 57, Interstate 70, U.S. Route 45, U.S. Route 40, Illinois Route 32, Illinois Route 33
- Distance
- about 95 miles from St. Louis (straight line)
- Book or inquire
- https://www.kellerconventioncenter.com/contact
About Effingham
Effingham is a city in Effingham County, Illinois, with a population of about 12,258. Settled in 1814 and originally named Broughton, it became the county seat in 1859. Known as The Crossroads of Opportunity, Effingham sits at the junction of Interstates 57 and 70, along with several U.S. routes, making it a key highway and rail hub. The city is famous for The Cross at the Crossroads, a 198-foot steel cross claimed to be the largest in the United States. Amtrak passenger trains also serve Effingham, connecting it to other cities. Nearby major cities include St. Louis, about 95 miles away, and Louisville, 162 miles distant. Effingham covers roughly 10.56 square miles in south central Illinois.
Getting there
- Highways
- Interstate 57, Interstate 70, U.S. Route 45, U.S. Route 40, Illinois Route 32, Illinois Route 33
- Rail and air
- Amtrak provides passenger rail service via the City of New Orleans, Saluki, and Illini routes; freight rail is served by Canadian National and CSX.
Around Effingham
- The Cross at the Crossroads: A 198-foot steel cross erected in 2001, claimed to be the largest in the United States.
Event ideas






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Frequently Asked
- Where is Thelma Keller Convention Center located?
- Thelma Keller Convention Center is at 1301 Ave of Mid-America, Effingham, IL 62401, in Effingham County.
- How do I get to Thelma Keller Convention Center?
- Effingham is served by Interstate 57, Interstate 70, U.S. Route 45, U.S. Route 40, Illinois Route 32, Illinois Route 33. It is about 95 miles from St. Louis.
- What kinds of events does Thelma Keller Convention Center host?
- conventions, trade shows, special events, corporate conferences, community festivals, expos.
- Is there parking at Thelma Keller Convention Center?
- ample parking.
- How do I book Thelma Keller Convention Center?
- Contact us today for bookings.
- What is there to see in Effingham?
- Places to see in Effingham include The Cross at the Crossroads.
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