| Prestonpans to Oakley (California) | 5,020.49 mi (8,079.69 km) |
| Prestonpans to Oakton (Virginia) | 3,480.18 mi (5,600.81 km) |
| Prestonpans to Oakville (Missouri) | 3,981.52 mi (6,407.64 km) |
| Prestonpans to Oatfield (Oregon) | 4,607.23 mi (7,414.62 km) |
| Prestonpans to Ocala (Florida) | 4,165.46 mi (6,703.66 km) |
| Prestonpans to Ocean Acres (New Jersey) | 3,324.36 mi (5,350.04 km) |
| Prestonpans to Ocean City (New Jersey) | 3,359.63 mi (5,406.81 km) |
| Prestonpans to Ocean Pines (Maryland) | 3,423.67 mi (5,509.87 km) |
| Prestonpans to Ocean Pointe (Hawaii) | 6,901.45 mi (11,106.81 km) |
| Prestonpans to Ocean Springs (Mississippi) | 4,350.30 mi (7,001.13 km) |
| Prestonpans to Oceanside (California) | 5,173.13 mi (8,325.35 km) |
| Prestonpans to Oceanside (New York) | 3,257.11 mi (5,241.82 km) |
| Prestonpans to Ocoee (Florida) | 4,173.87 mi (6,717.20 km) |
| Prestonpans to Oconomowoc (Wisconsin) | 3,680.75 mi (5,923.59 km) |
| Prestonpans to Odenton (Maryland) | 3,448.55 mi (5,549.91 km) |
