Trevin "hit the nail on the head" (an expression meaning he is exactly correct!)

You can say “an hour’s drive” or “an hour of driving”, but not “an hour of drive” (“drive” is a verb, so you need to use the gerund “driving” as a noun referring to the action). Saying “an hour of driving” puts more emphasis on the action of driving, rather than the time. The simplest and most common one is “an hour’s drive”. For example: 1. Siena is about an hour’s drive from Florence. (Easy!) 2. It takes about an hour of driving to reach Siena from Florence, so be careful if you’re tired! (The action of driving for an hour is dangerous if you’re tired) 3. Siena is about an hour from Florence. (It’s usually implied that this refers to driving time)