Home » QAQuick Answer: How Far Can A Human See On A Clear Day?ContentsHow far can you see over open water?Can you see 100 miles away?How far can you see before the curve of the earth?How far can you see on the horizon calculator?How far can you see over open water?.Can you see 100 miles away?How far can you see before the curve of the earth?How far can you see on the horizon calculator?