Tiantai (China) and Rui’an (China) are 293 km (182 mi) apart in a straight line. The way we suggest is by bus, via Taizhou, Ningbo and Wenzhou: ~9h 35m door to door with 3 changes, for ~€15–35 per person. No flight is needed.
Step by step
Bus from Tiantai to Taizhou: about 1h 30m, 304 km, ~€6–20
Bus from Taizhou to Ningbo: about 2h, 136 km, ~€2–7
Bus from Ningbo to Wenzhou: ~4h 30m, 226 km, ~€4–15
Bus from Wenzhou to Rui’an: about 50m, 25 km, ~€1–2
Every route we know
Bus, via Taizhou, Ningbo and Wenzhou: ~9h 35m, 3 changes, ~€15–35
Bus + Train, via Taizhou and Shanghai: ~12h 5m, 2 changes, ~€20–65
Bus + Flight + Bus, via Taizhou, Wuhan and Wenzhou: ~10h 20m, 3 changes, ~€109–375
Questions
How long does it take to get from Tiantai to Rui’an?
~9h 35m door to door by bus, via Taizhou, Ningbo and Wenzhou, including time for changes.
How much does it cost to travel from Tiantai to Rui’an?
~€15–35 per person for the route we suggest. These are estimates from travel-guide prices and published tariffs, not quotes: check the operator for today's fare.
Is there a direct bus from Tiantai to Rui’an?
Not that we know of: the routes in our data change via Taizhou, Ningbo and Wenzhou.
Times are rough door-to-door times, with time to change and to get through airports included. A "~" marks a rough time worked out from the distance. We don't have timetables, and fares are rough estimates, not quotes: check Google Maps or the operator before you travel.