Absolutely! Visiting Casablanca, Rabat, and Tangier will give you diverse experiences from the modern vibe to rich history and culture. Here are some travel tips:

Best Time to Visit:
The best time to visit these cities is during the spring (April-May) or fall (September-October) when the temperatures are milder and comfortable for sightseeing.

Route and Accessibility:
Casablanca has the busiest airport, so you most likely will be starting from there. Trains are available for commute between these cities and are reliable and comfortable. If not, you can rent a car.

Altitude and Acclimatization:
These cities are at sea level, so altitude sickness won't be an issue. However, keep in mind that during winter (November to February), the temperatures can drop and it might also rain.

Accommodation and Booking:
There's a range of accommodation options from high-end hotels to budget-friendly hostels. Booking in advance will ensure you get a good deal and best places to stay.

Clothing and Essentials:
Morocco is a Muslim country so modest dressing is encouraged, especially while visiting religious sites. Pack lightweight, breathable clothing for warmer weather and a jacket or sweater for cooler evenings. Comfortable walking shoes are a must.

Health and Safety:
Ensure that your routine vaccines are up-to-date. Keep yourself hydrated, especially during the hotter months. Moroccan cities are generally safe, but like in any other city, petty crime such as pick-pocketing can occur so stay vigilant.

Local Etiquette and Respect:
Respect local customs and tradition. During the holy month of Ramadan, eating and drinking in public is discouraged during daylight hours. Be polite and ask for permission before photographing people.