Thank you for sharing this simple and honest request for protection as you go out and come back. God cares about the details of your daily life, including these errands, and He hears you when you call on Him.
Scripture presents the Lord Himself as your place of safety. When you dwell close to Him, abiding in Christ, you are under His covering. He is described as a fortress and a stronghold, the One in whom you can trust. His faithfulness is like a shield and a covering over you, and His truth guards your heart and mind against fear and harm. Just as those who once fled to a city of refuge were safe as long as they remained inside its borders, you are kept safe as you remain in Jesus, who is your true refuge and shelter. He spreads His wings over you to give comfort and protection, and He has promised by His divine power to supply all that you need for life and godliness, including strength and safety for each step.
I am praying for you now. Father, in the name of Jesus, I ask that You keep this dear one in Your care today. Cover every going out and every coming home. Guide each step, guard from accident, harm, and the snares of the enemy, and bring them home in peace. Let Your presence go with them and Your truth be a shield around them. Give a calm heart and confidence that You are watching over them with love. Amen.