Grotte di Pertosa (Pertosa Caves)
Italy
3000 m long
Furong Cave{{nobold|}}
China
2846 m long
Coffee River Cave
Jamaica
2800 m long
Cadomin Cave
2791 m long · 220 m deep
Ayalon Cave
Israel
2700 m long · 100 m deep
Bystrianska Cave
2637 m long · 95 m deep
Atlantida
Ukraine
2525 m long · 18 m deep
Boho Caves
Ireland
2500 m long
Sinks of Gandy
United States
2473.1 m long
Erdmanns Cave
Germany
2315 m long
Porth yr Ogof
2250 m long
Kaumana Cave
United States
2197 m long
Stoke Lane Slocker
United Kingdom
2180 m long · 30 m deep
Deer Cave
Malaysia
2160 m long
Gupteshwor Mahadev Cave
Nepal
2057 m long
Cueva de los Murciélagos
Spain
2000 m long
Grotte di Toirano (Toirano Caves)
Italy
2000 m long
Heimkehle
Germany
2000 m long
Kletno Bear Cave
Poland
2000 m long
Petralona Cave
Greece
2000 m long
Baumann's Cave
Germany
1980 m long
GB Cave
United Kingdom
1950 m long · 134 m deep
New Athos Cave
Georgia
1900 m long · 183 m deep
Howe Caverns
United States
1889.8 m long · 47.5 m deep
Secret Caverns
United States
1889.8 m long
Stopića Cave
Serbia
1691.5 m long
Gruta do Carvão
Portugal
1650 m long
Longwood Swallet
United Kingdom
1650 m long · 175 m deep
Ozark Caverns
1609.3 m long
Peik Chin Myaung Cave
1600 m long · 20 m deep
Snow Jade Cave
China
1600 m long
Lava River Cave
United States
1588.3 m long
Bears' Cave
Romania
1500 m long · 482 m deep
Long Kin East - Rift Pot System
United Kingdom
1500 m long · 116 m deep
Tytoona Cave
United States
1280.2 m long
Hell Cave
Slovenia
1159 m long