I guess that is not so bad:
if (distance<= 10) strg = "far away";
if (distance >10) strg = "within sight";
if (distance >50) strg = "slow down";
if (distance >100) strg = "almost there";
if (distance >200) strg = "stop!";
Serial.println(strg);
I guess that is not so bad:
if (distance<= 10) strg = "far away";
if (distance >10) strg = "within sight";
if (distance >50) strg = "slow down";
if (distance >100) strg = "almost there";
if (distance >200) strg = "stop!";
Serial.println(strg);