She was afraid to travel alone.

He set out on a lonely journey.

He likes to travel by himself.

He is old enough to travel alone.

It's more interesting to travel alone than to go on a group tour.

My parents discouraged me from traveling alone.

My mother objected to my traveling alone.

My father objected to my traveling alone.

Nowadays it is not unusual for a woman to travel alone.

Nothing is so pleasant as traveling alone.

My parents objected to my traveling alone, saying it would be dangerous.

Maybe I'll just wander off on my own.

You are too young to travel alone.

I like to travel by myself.

Tom departed on a solo journey.

Tom likes to travel alone.

The good thing about travelling alone is that you don't have to dress up.

Are you traveling alone?

Is this the first time you've traveled alone?