Nearby airports:

Decatur (DEC) - 10 miles from venue & hotel

Springfield (SPI) - 36 miles from venue & hotel

Champaign/Willard (CMI) - 51 miles from venue & hotel

Bloomington (BMI) - 54 miles from venue & hotel

Peoria (PIA) - 81 miles from venue & hotel

Belleville (BLV) - 124 miles from venue & hotel

St. Louis (STL) - 138 miles from venue & hotel

Chicago (ORD/MDW) - 177-198 miles from venue & hotel

Indianapolis (IND) - (*time change*) 177 miles from venue & hotel

If you are flying in and are able to explore different airport locations, I highly recommend using google flights for the best prices and details on the flights.