Mahabharata 3.114.16

लोमश उवाच · lomaśa uvāca

त्रिशतं वै सहस्राणि योजनानां युधिष्ठिरयत्र ध्वनिं शृणोष्येनं तूष्णीमास्स्व विशां पते

triśataṃ vai sahasrāṇi yojanānāṃ yudhiṣṭhirayatra dhvaniṃ śṛṇoṣyenaṃ tūṣṇīmāssva viśāṃ pate

Our plain-language meaning of this verse is waiting for scholar review.