| Lake Barcroft to Odessa (Texas) | 1,492.88 mi (2,402.56 km) |
| Lake Barcroft to Ogden (Utah) | 1,836.37 mi (2,955.36 km) |
| Lake Barcroft to Oildale (California) | 2,298.22 mi (3,698.62 km) |
| Lake Barcroft to Ojus (Florida) | 907.86 mi (1,461.06 km) |
| Lake Barcroft to Okemos (Michigan) | 463.43 mi (745.82 km) |
| Lake Barcroft to Oklahoma City (Oklahoma) | 1,142.44 mi (1,838.58 km) |
| Lake Barcroft to Okmulgee (Oklahoma) | 1,058.71 mi (1,703.83 km) |
| Lake Barcroft to Olathe (Kansas) | 948.67 mi (1,526.73 km) |
| Lake Barcroft to Old Jamestown (Missouri) | 705.78 mi (1,135.84 km) |
| Lake Barcroft to Oldsmar (Florida) | 810.65 mi (1,304.62 km) |
| Lake Barcroft to Olean (New York) | 233.03 mi (375.03 km) |
| Lake Barcroft to Olive Branch (Mississippi) | 749.99 mi (1,206.99 km) |
| Lake Barcroft to Olivehurst (California) | 2,360.82 mi (3,799.37 km) |
| Lake Barcroft to Olney (Maryland) | 20.91 mi (33.65 km) |
| Lake Barcroft to Olympia (Washington) | 2,345.93 mi (3,775.42 km) |
