The same applies. I can't speak any languages well, I only speak English except for one or two phrases of the local language. The thing is, when you travel, you DON'T spend hours and hours and hours speaking with the locals. You're only interacting with a hotel clerk, a railway station attendant, restaurant workers, and a few others. All of these people speak with many, many, many people on a regular basis, including people who stutter, people who have lisps, people who have high voices, people who can't speak at all and every other speech issue you can imagine. It's no big deal. People all around the world stutter and have dis-fluency issues. It's as common in every country as it is in your country. Perhaps we need to be talking about why you are overthinking this and searching for barriers and problems that don't exist. Are you really looking for an excuse not to travel?