How to get from Taian to Bole by plane?

Dear, the straight line (flight route) distance from Tai 'an to Bole is 3085km (19 17 nautical mile or 1666 nautical mile). The linear distance from Tai 'an City to the geographical center of Bole City is calculated by mathematical formula [References]. The cruising speed of a typical long-distance passenger commercial flight is about 900 km/h.

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