| Lake Barcroft to Oakley (California) | 2,387.27 mi (3,841.95 km) |
| Lake Barcroft to Oakton (Virginia) | 8.15 mi (13.11 km) |
| Lake Barcroft to Oakville (Missouri) | 710.16 mi (1,142.89 km) |
| Lake Barcroft to Oatfield (Oregon) | 2,339.70 mi (3,765.39 km) |
| Lake Barcroft to Ocala (Florida) | 726.65 mi (1,169.42 km) |
| Lake Barcroft to Ocean Acres (New Jersey) | 165.72 mi (266.70 km) |
| Lake Barcroft to Ocean City (New Jersey) | 140.11 mi (225.48 km) |
| Lake Barcroft to Ocean Pines (Maryland) | 113.15 mi (182.09 km) |
| Lake Barcroft to Ocean Pointe (Hawaii) | 4,831.88 mi (7,776.16 km) |
| Lake Barcroft to Ocean Springs (Mississippi) | 880.32 mi (1,416.73 km) |
| Lake Barcroft to Oceanside (California) | 2,258.21 mi (3,634.24 km) |
| Lake Barcroft to Oceanside (New York) | 223.92 mi (360.36 km) |
| Lake Barcroft to Ocoee (Florida) | 752.67 mi (1,211.31 km) |
| Lake Barcroft to Oconomowoc (Wisconsin) | 659.45 mi (1,061.29 km) |
| Lake Barcroft to Odenton (Maryland) | 29.01 mi (46.69 km) |
