| Glen Burnie to Odessa (Texas) | 1,525.97 mi (2,455.81 km) |
| Glen Burnie to Ogden (Utah) | 1,858.95 mi (2,991.69 km) |
| Glen Burnie to Oildale (California) | 2,324.87 mi (3,741.51 km) |
| Glen Burnie to Ojus (Florida) | 934.97 mi (1,504.68 km) |
| Glen Burnie to Okemos (Michigan) | 475.31 mi (764.94 km) |
| Glen Burnie to Oklahoma City (Oklahoma) | 1,173.97 mi (1,889.32 km) |
| Glen Burnie to Okmulgee (Oklahoma) | 1,090.51 mi (1,755.01 km) |
| Glen Burnie to Olathe (Kansas) | 976.22 mi (1,571.07 km) |
| Glen Burnie to Old Jamestown (Missouri) | 734.08 mi (1,181.39 km) |
| Glen Burnie to Oldsmar (Florida) | 842.36 mi (1,355.64 km) |
| Glen Burnie to Olean (New York) | 223.66 mi (359.94 km) |
| Glen Burnie to Olive Branch (Mississippi) | 784.49 mi (1,262.51 km) |
| Glen Burnie to Olivehurst (California) | 2,384.12 mi (3,836.87 km) |
| Glen Burnie to Olney (Maryland) | 24.89 mi (40.06 km) |
| Glen Burnie to Olympia (Washington) | 2,361.64 mi (3,800.70 km) |
