| Truro to Oakley (California) | 5,228.73 mi (8,414.83 km) |
| Truro to Oakton (Virginia) | 3,497.53 mi (5,628.73 km) |
| Truro to Oakville (Missouri) | 4,056.17 mi (6,527.78 km) |
| Truro to Oatfield (Oregon) | 4,844.59 mi (7,796.62 km) |
| Truro to Ocala (Florida) | 4,147.90 mi (6,675.39 km) |
| Truro to Ocean Acres (New Jersey) | 3,333.38 mi (5,364.56 km) |
| Truro to Ocean City (New Jersey) | 3,366.80 mi (5,418.35 km) |
| Truro to Ocean Pines (Maryland) | 3,427.30 mi (5,515.71 km) |
| Truro to Ocean Pointe (Hawaii) | 7,223.00 mi (11,624.30 km) |
| Truro to Ocean Springs (Mississippi) | 4,373.34 mi (7,038.21 km) |
| Truro to Oceanside (California) | 5,345.30 mi (8,602.43 km) |
| Truro to Oceanside (New York) | 3,269.56 mi (5,261.85 km) |
| Truro to Ocoee (Florida) | 4,149.81 mi (6,678.47 km) |
| Truro to Oconomowoc (Wisconsin) | 3,775.32 mi (6,075.79 km) |
| Truro to Odenton (Maryland) | 3,464.24 mi (5,575.15 km) |
