Start: Gran Canaria–> Tenerife
Travel Advice: Fly to Gran Canaria & spend 3 days, take ferry from Gran Canaria to Tenerife

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Start: Munich or Berlin (Germany)–>Prague (Czech Republic)–>Vienna (Austria)–>Budapest (Hungary)
Recommended Travel: Fly to Munich or Berlin, and take train to each city (Fly back to Barcelona from Budapest)

Start: Tel Aviv–>Jerusalem–>Eilat
Travel Advice: Fly to Tel Aviv, take train or plain to Eilat (May be easier to fly to and from Jerusalem)

Start: Rome–>Florence (Cinque Terre, Santa Margherita)–>Milan
*We recommend you stay 2-3 nights in each city
Airports to Fly Into: Rome, Milan (Florence is typically expensive)

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Start: Rome–>Florence–>Milan–>Marbella (Gibraltar, Tanger-Morocco)
Travel Advice: Fly to Rome, take train to northern Italy. Fly from Milan to Malaga (Either rent a car or take a bus to Gibraltar or Tarifa (Southern tip of Spain–>Take ferry from Tarifa to Tanger (Morocco). Fly from Malaga back to Barcelona
*We recommend you travel Italy for 5 days, and stay in Marbella for another 4.

Start: Madrid–>Cordoba–>Seville–>Cadiz–>Marbella (Gibraltar, Tanger-Morocco)
*We recommend you save at least 3 days for Marbella for the end of trip
Travel Advice: Take train to each city on way down to Marbella (fly back to Barcelona from Malaga)