Final answer:
Paul the Apostle had hoped to travel from Jerusalem to Spain but never made the journey. Two potential routes for this journey would have been overland using the Roman roads or by sea using the Mediterranean trade routes. These routes were part of the Roman Empire's well-established transportation network, making them feasible options for Paul's travel.
Step-by-step explanation:
The apostle Paul, known for the spread of Christianity, had several options for his hoped journey from Jerusalem to Spain to continue his missionary work. Although he never made it to Spain, two likely routes he could have considered would have been overland travel through the Roman roads across Europe, or via the Mediterranean Sea, likely using the extensive network of shipping routes that connected various ports throughout the Empire. At the time, Spain was part of the Roman Empire, and therefore well-connected by these established routes.
In France alone, there were four main routes toward Spain that were used by pilgrims to Santiago de Compostela, these starting cities being Le Puy, Arles, Paris, and Vézelay. Each of these routes contained churches that were significant pilgrimage sites, suggesting that they were well-traveled and could have served as viable options for Paul's journey. Furthermore, the cultural and spiritual significance of such routes, often associated with the Way of Saint James, underscores the intersection of travel and religious devotion that characterized the time.
The impact of the apostle on the formation of Christianity was substantial, and his journey would have been a testament to the widespread influence of the burgeoning religion. Paul's evangelistic efforts and the narrative of his conversion experience significantly shaped the early Christian doctrine and its diffusion throughout the Mediterranean region.