People driving RVs are allowed to park overnight for free at the Walmart Supercenter in Lima. Store policy says you must park somewhere under the lights and away from the main entrance. There are no RV hookups, but you can use the bathroom facility during regular store hours.
Walmart Supercenter
2400 Harding Highway
Lima, OH 45804
419-222-4466
walmart.com
There's a rest stop in Wapakoneta that's about 16 miles north of Lima along Interstate 75 that allows free overnight camping. Exit number 114 does not have RV hook-ups, but has public restrooms, telephones, a picnic area and vending machines. Since it's a rest stop, the facilities are open 24 hours a day, 7 days a week. The Ohio Department of Transportation along with Ohio State Troopers patrol this rest stop frequently.
Interstate 75 Exit 114
Wapakoneta, OH 45895
i75exitguide.com
Members of the Veterans of Foreign Wars or their relatives can park an RV in the parking lot of the VFW overnight. All guests will need to sign in before hand. Because this is just a parking lot, there are no RV hookups, but you can use the VFW's facilities, including bathrooms, restaurant and bar and game rooms, during normal business hours.
Lima VFW
124 West Elm Street
Lima, OH 45804
419-229-9796
vfw.org