There is a parking lot next to the convenience store across the street from my apartment. You can park there.
You can park in the parking lot beside the convenience store across the street from my place.
1) There is a parking lot next to the convenience store across the street from my apartment. You can park there.
「うちのマンションの向かいにあるコンビニの横に駐車場があるから、そこに車を停められるよ。」
「コンビニの横」は next to the convenience store
「道向かい」は across the street
2) You can park in the parking lot beside the convenience store across the street from my place.
「うちの向かいのコンビニの横の駐車場に駐車することができます。」
「駐車場」は parking lot
「コンビニの横」は beside the convenience store とも言えます。
ご参考になれば幸いです!