Area
Total: 1,284,000 km² (495,625 miles²)
Land: 1,259,200 km² (486,050 miles²)
Water: 24,800 km² (9,575 miles²)
USA Comparison: roughly three times the size of California
Boundaries
Land: 5,968 km
Sea: 0 km (landlocked)
Neighbors: Cameroon 1,094 km, Central African Republic 1,197 km, Libya 1,055 km, Niger 1,175 km, Nigeria 87 km, Sudan 1,360 km
Data source: Public domain data from US Department of State Background Notes and CIA The World Factbook