Definition of "overland"

So, sir. I desire of youA conduct overland to Milford Haven.

1611 April (first recorded performance), William Shakespeare, “The Tragedie of Cymbeline”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act III, scene v]

To prevent this, he practised that none of the Companies servauntes shuld be suffered to goe overland with letters.

1589, Jerome Horsey, manuscript reproduced in Edward Augustus Bond (ed.), Russia at the Close of the Sixteenth Century, T. Richards (1856), page 317

The packet that was coming to us overland, and that left England in July, was cut off by the wild Arabs between Aleppo and Bussora.

1786, Earl Cornwallis, letter to Viscount Brome, reproduced in Charles Ross (ed.), Correspondence of Charles, First Marquis Cornwallis, volume 1, second edition, John Murray (1859), page 247

It is unclear whether the Peshin sayyid traveled overland or by ship to Bombay from where he accompanied the goods by sea to Karachi or one of the smaller ports in Sind, then overland to Bela, Kelat, Qandahar, Kabul, and Bukhara.

2008, Shah Mahmoud Hanifi, Connecting Histories in Afghanistan, Stanford University Press, published 2011, page 57