2. Head south on Highway 2.
3. Follow Highway 2 through Montana and Idaho.
4. Enter California and continue on Interstate 5.
5. Take Exit 331 for Napa.
Here are some additional tips for driving from Calgary to Napa:
* The drive from Calgary to Napa is approximately 2,000 miles and will take about 35 hours of driving time.
* Be sure to factor in time for stops along the way, such as for gas, food, and rest.
* The best time to drive from Calgary to Napa is during the summer months, when the weather is mild.
* Be prepared for winter weather conditions if you are driving during the winter months.
* Be sure to have a valid passport if you are driving through Canada.
* Carry extra cash in case you need to pay tolls or for roadside assistance.
* Be aware of the different speed limits in each state and province.
* Obey all traffic laws and be safe.