Railways:
total: 3,323 km (458 km privately owned and operated)
standard gauge: 3,323 km 1.435-m gauge (440 km electrified; 760 km double track) (1996)

Highways:
total: 71,600 km
paved: 71,600 km (including 880 km of expressways)
unpaved: 0 km (1996 est.)

Waterways: 417 km

Pipelines: crude oil 110 km; petroleum products 578 km; natural gas 700 km

Ports and harbors: Alborg, Arhus, Copenhagen, Esbjerg, Fredericia, Grena, Koge, Odense, Struer

Merchant marine:
total: 337 ships (1,000 GRT or over) totaling 5,130,643 GRT/6,880,248 DWT
ships by type: bulk 14, cargo 130, chemical tanker 19, container 73, liquefied gas tanker 26, livestock carrier 6, oil tanker 20, railcar carrier 1, refrigerated cargo 15, roll-on/roll-off cargo 21, short-sea passenger 9, specialized tanker 3
note: Denmark has created its own internal register, called the Danish International Ship register (DIS); DIS ships do not have to meet Danish manning regulations, and they amount to a flag of convenience within the Danish register (1998 est.)

Airports: 118 (1998 est.)

Airports—with paved runways:
total: 28
over 3,047 m: 2
2,438 to 3,047 m: 7
1,524 to 2,437 m: 3
914 to 1,523 m: 13
under 914 m: 3 (1998 est.)

Airports—with unpaved runways:
total: 90
1,524 to 2,437 m: 1
914 to 1,523 m: 7
under 914 m: 82 (1998 est.)