Note that 往 can be pronounced wKng or wàng. 向 and 往 are often interchangeable.
外地人：请问，去邮局怎么走？
Wài dì rén ：qǐng wèn ，qù yóu jú zěn me zǒu ？
Out-of-towner: Excuse me, how do I get to the post offi ce?
本地人：你先往前走两、三分钟，再往右拐，就到了。
Běn dì rén ：nǐ xiān wǎng qián zǒu liǎng 、sān fèn zhōng ，zài wǎng yòu guǎi ，jiù dào le 。
Local person: Go straight ahead for two or three minutes, turn right, and you will be
there.
他往屋子里看了半天，没看到一个人。
Tā wǎng wū zǐ lǐ kàn le bàn tiān ，méi kàn dào yī gè rén 。
He looked (towards) inside the house for quite a while and didn’t see anybody.
[1] Yip, P. C., Rimmington, D., Xiaoming, Z., & Henson, R. (2009). Basic Chinese: a grammar and workbook. Taylor & Francis.
