It will take 30 minutes by car to get to the riverbank for stargazing.
"天体観測のために車で河岸ま３０分かかる"
- It will take 30 minutes by car to get to the riverbank for stargazing.
- It takes 30 minutes to drive to the riverbank for stargazing.
- To stargaze, I will drive 30 minutes to the riverbank.
アメリカ合衆国 
