504 centimeters is equal to 198.425 inches.
To put this into perspective, here are some common objects that are around 198 inches in length:
1. A standard king-sized mattress is about 198 inches in length.
2. The wingspan of an adult bald eagle can reach up to 198 inches.
3. The height of a giraffe is roughly 198 inches.
4. The average length of a male polar bear is around 198 inches.
5. A standard school bus is approximately 198 inches wide.
6. The length of an adult humpback whale can range from 198 to 500 inches.
7. The length of two standard-sized parking spaces end to end is about 198 inches.
8. An adult male lion can reach a length of 198 inches when including their tail.
9. The length of a full-size grand piano is roughly 198 inches.
10. The length of a standard Olympic swimming pool is around 198 inches.