April 19th - April 20th (April 21st)

Information subject to changes or (eventual) corrections, like the prices.

49er Drive In, Valparaiso, IN (54.1 Miles) $10.00
Dumbo / Captain Marvel

RT34 Drive In, Earlville, IL (75.7 miles) $9.00
Melody Drive In, Knox, IN (95.9 miles) $9.00 Screen 1: 
Pet Sematary (2019) / Us

Melody Drive In, Knox, IN (95.9 miles) $9.00
Screen 2:  Captain Marvel / Shazam

Tri-way Drive In, Plymouth, IN (98.7 miles) $9.00 
Screen 1: Shazam / Isn't It Romantic

Screen 2: Pet Sematary (2019) / Escape Room
Screen 3: Curse of La Llorona / Captain Marvel
Screen 4: Missing Link / Wonder Park

McHenry Outdoor Theater, McHenry, IL (57.5 miles) $12.00
Lakeshore Drive In, Monticello, IN (117.0 miles) $10.00
Sunset Drive In, Hartford, MI (117.0 miles) $15/car
Midway Drive In, Dixon, IL (120 miles) $9.00
Five Mile Drive In, Dowagiac, MI (120.0 miles) $15/car
Highway 18, Jefferson, WI (126 miles) $9.00
Closed for the Season

Opening April 26th (Estimated) for The Avengers:Endgame.

Five Mile Drive In, Dowagiac, MI (120.0 miles) $15/car
Closed for the Season
Opening May 3rd 

Indexed by Movie: 

Captain Marvel - 49er / Melody / Tri-Way
Curse of Llorona - Tri-Way
Dumbo (2019) - 49er
Escape Room - Tri-Way
Isn't It Romantic? - Tri-Way
Missing Link - Tri-Way
Pet Sematary - RT34 / Melody / Tri-Way
Shazam - Melody / Tri-Way
Us - RT34 / Melody 
Wonder Park - Tri-Way

Statistics:

4 Open Theaters / 8 screens / 10 movies / 7 unique combinations. 

By distance (Number of screens) (54.1 miles to 126 miles):
49er / McHenry / RT 34 / Melody (2) / Tri-Way (4) / Lakeshore (2) / Sunset Drive In / Midway / Five Mile Drive In / Highway 18