| Truro to Odessa (Texas) | 4,856.83 mi (7,816.32 km) |
| Truro to Ogden (Utah) | 4,731.32 mi (7,614.32 km) |
| Truro to Oildale (California) | 5,283.17 mi (8,502.45 km) |
| Truro to Ojus (Florida) | 4,217.13 mi (6,786.81 km) |
| Truro to Okemos (Michigan) | 3,629.95 mi (5,841.84 km) |
| Truro to Oklahoma City (Oklahoma) | 4,485.87 mi (7,219.31 km) |
| Truro to Okmulgee (Oklahoma) | 4,418.75 mi (7,111.29 km) |
| Truro to Olathe (Kansas) | 4,215.16 mi (6,783.64 km) |
| Truro to Old Jamestown (Missouri) | 4,036.76 mi (6,496.54 km) |
| Truro to Oldsmar (Florida) | 4,224.80 mi (6,799.15 km) |
| Truro to Olean (New York) | 3,411.77 mi (5,490.71 km) |
| Truro to Olive Branch (Mississippi) | 4,199.57 mi (6,758.55 km) |
| Truro to Olivehurst (California) | 5,163.76 mi (8,310.26 km) |
| Truro to Olney (Maryland) | 3,476.84 mi (5,595.43 km) |
| Truro to Olympia (Washington) | 4,763.62 mi (7,666.30 km) |
