1 .- Daily commute to work.
If you live in Maidenhead, United Kingdom, and work somewhere in central London, the chances of meeting people that leave your hometown at around the same time than you and go to the same place than you are pretty slim. If you search in Carpling.com, you will not only search for people with same origin and same destination, but also for people you can drop off along your route or people who can drop you off along their way.
In a 30 miles long journey the chances someone is going in the same direction than you are pretty high. You do not need to specify at what points you want to stop, just enter your origin and destination of your route, do a search and check the results.
Carpling.com takes into account the time it takes between the time of your departure and time of collecting passengers and only presents results that may fit you. On your return trip, you might want to travel with other passengers whose schedules fit yours.
2 .- Long distance travel.
If for example you take a trip from Cadiz to Barcelona in Spain, ??you could publish your journey in Carpling.com, and check how search results may show you people you can share the trip with along the entire route. So, you could meet someone to share the route from Cadiz to Tomelloso, and pick up other people traveling from Valencia to Tarragona.
You only need to publish the source and destination of your route, change the path if the one Google © shows you is not the one you want, and then search. The complex Carpling.com search engine will consider your route and approximate time it takes between your departure and collection of potential passengers.
¿Have you seen a carpooling web site with such feature?