The Real Door-to-Door Travel Time & Cost.
A 1-hour flight is never just one hour. Odyssey Discoveries calculates the true door-to-door travel time, all-in costs, carbon emissions (CO2), and transit friction across Europe's primary corridors. Compare high-speed trains against short-haul flights; accounting for airport security, center-to-center transfers, baggage fees, and connection risks.
33 cities · 54 routes mapped
Enter your route. If we have a dedicated guide, we'll send you there.
Whether you are planning a European trip or need professional travel research, find the right resources to make informed decisions.
Compare European trains, flights and other transport options using the full journey, including time, total cost, CO₂e emissions and travel convenience.
Access data-backed travel research and custom route analysis for tourism boards, travel brands, publishers and event organizers.
Compare travel time, total costs and environmental impact. Use our decision tools to understand your options before you book your next European journey.
Compare door-to-door travel time, estimated costs and CO₂e emissions across major Iberian routes.
Explore routes →Compare estimated journey costs across trains, flights, buses and car travel.
Compare travel costs →Compare the full journey, including airport access, station transfers and waiting time.
Compare journey times →Estimate and compare transport emissions to understand the environmental impact of your journey.
Calculate emissions →Evaluate the trade-offs between rail and air travel before choosing your transport option.
Compare your options →Assess how hotel location and transport access can affect your journey and travel emissions.
Explore hotel access →Looking for more ways to plan your trip?
Explore all travel tools →See how trains, flights, buses and cars compare across popular European routes. Evaluate journey time, estimated costs and CO₂e emissions before making your decision.
SpainTrain vs flight
Portugal to SpainSustainable transport
Portugal to SpainTrain guide
Spain to PortugalBus and car guide
Looking for a different European journey?
Explore all route comparisons →Custom travel research services
Get practical, data-backed travel research for route planning, destination analysis, hotel access and transportation decisions.
See our research approach
Review examples of our reporting format, route analysis and research presentation before requesting a project.
Get the free 20-page planner to compare train vs flight, choose where to stay, and avoid timing mistakes across Spain and Portugal.
Notifications
English