Civ VI should have an option to choose if the trade route goes by land or sea : r/civ
Civilization 6: How to Build Trade Routes - YouTube
Civilization VI: Gathering Storm - Wow, Mali!
Civilization 6 Gold - the best ways to make money and how to earn Gold fast in Civ 6 | Eurogamer.net
This Civilization VI mod simplifies trade with “quick deals” | PCGamesN
civilization 6 - How do I list available trade routes - Arqade
Governments and Policies - Civilization 6 Guide - IGN
Civ 6: How to Get More Trade Routes
João III builds Portuguese ports around the world of Civilization VI | Mega Bears Fan
Civilization VI | Leader Pass: Great Commanders Pack
Portuguese (Civ6) | Civilization Wiki | Fandom
New details emerge for Civilization V: Brave New World, including more information on international trade routes - Sid Meier's Civilization V Forum - Neoseeker Forums