What are some ways of traveling from Washington D.C to San Francisco?
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What are some ways of traveling from Washington D.C to San Francisco?

### Response:

- take a direct flight
- drive cross country on paved roads with a car
- drive cross country on dirt roads with a car
- ride cross country on dirt roads with a motorcycle
- ride cross country with a bicycle
- take a ship through the panama canal
- walk cross country
- take a bus
- take a train
- hitchhike 
- combine any of the following methods