3 sentences

1. 即便你远在天涯海角，我也不会忘记你。

   jí​biàn nǐ yuǎn zài tiān​yá​hǎi​jiǎo, wǒ yě bù huì wàng​jì nǐ.

   I will never forget you, even if you are at the ends of the earth.

   Source: Dong Chinese Dictionary

2. 虽然他们近在咫尺，心却像隔着天涯海角。

   suī​rán tā​men jìn​zài​zhǐ​chǐ, xīn què xiàng gé zhe tiān​yá​hǎi​jiǎo.

   Though they are close at hand, their hearts feel worlds apart.

   Source: Dong Chinese Dictionary

3. 去三亚旅游时，我们在天涯海角景区拍了照。

   qù Sān​yà lǚ​yóu shí, wǒ​men zài Tiān​yá Hǎi​jiǎo jǐng​qū pāi le zhào.

   When we visited Sanya, we took photos at the Tianya Haijiao scenic area.

   Source: Dong Chinese Dictionary