Tăușoare Cave

Romania

20000 m long · 413.5 m deep

Conjunto Santa Rita

Brazil

17050 m long

Dark Star

Uzbekistan

17000 m long · 900 m deep

Krubera Cave

Georgia

16058 m long · 2224 m deep

Pınargözü Cave

Turkey

16000 m long · 720 m deep

Tham Phra Wang Daeng

13789 m long

Tham Mae Lana

Thailand

12720 m long

İnsuyu Cave

Turkey

8100 m long

Nan'goma Caves

Tanzania

7510 m long

Meramec Caverns

United States

7403 m long

Tilkiler Cave

Turkey

6650 m long · 159 m deep

Hwanseongul

South Korea

6200 m long

Čehi 2

Slovenia

5536 m long · 1505 m deep

Gruta Canabrava

Brazil

5500 m long

Charterhouse Cave

United Kingdom

4868 m long · 228 m deep

Ayvaini Cave

Turkey

4860 m long

Yilong Cave

China

4200 m long

Kef Toghobeit

Morocco

3918 m long · 722 m deep

Gourie Cave

Jamaica

3505 m long · 90 m deep

Jackson's Bay Cave

Jamaica

3360 m long

Cloyne Cave

Ireland

3300 m long

EGMA (Peynirlikönü) Sinkhole

Turkey

3118 m long · 1429 m deep

Mouth Maze Cave

Jamaica

3118 m long · 10 m deep

Punyelroo Cave

Australia

2993.4 m long

Windsor Great Cave

Jamaica

2980 m long · 80 m deep

Uamh an Claonaite

United Kingdom

2868 m long · 110 m deep

Excalibur Pot

United Kingdom

2840 m long · 30 m deep

Abrskil(a) Cave

Georgia

2000 m long

Yenesu Cave

Turkey

1620 m long

Green Grotto Caves

Jamaica

1525 m long · 12 m deep

Thrupe Lane Swallet

United Kingdom

1417 m long · 117 m deep

Thatchfield Great Cave

Jamaica

1402 m long · 177 m deep

Oxlow Cavern

United Kingdom

1400 m long · 140 m deep

Ogof Hesp Alyn

United Kingdom

1372 m long · 98 m deep

Porow Cave

Iran

1360 m long · 751 m deep

Swansea Cave

Jamaica

1170 m long