Did Hitler oppose the Munich pact?
Adolf Hitler opposed the Munich Pact in various ways and even broke it severally. Winston Churchill is also known to have out-rightly opposed this pact.
What other countries should have been invited to the Munich conference?
On September 29 & 30, 1938, Germany, Britain, France, and Italy met in Munich to decide what action, if any, to take concerning Germany's aggression in Czechoslovakia. Czechoslovakia had no say in the discussion. BTW, the only delegate who did not need an interpreter was Mussolini. Source: "Il Duce: The Rise and Fall of Benito Mussolini" by Richard B. Lyttle.
What is the distance between wiesbaden and Berlin?
565 km taking this route: