| Truro to Orangevale (California) | 5,174.80 mi (8,328.04 km) |
| Truro to Orchards (Washington) | 4,827.51 mi (7,769.12 km) |
| Truro to Orcutt (California) | 5,361.12 mi (8,627.88 km) |
| Truro to Oregon (Ohio) | 3,634.89 mi (5,849.78 km) |
| Truro to Oregon (Wisconsin) | 3,817.99 mi (6,144.46 km) |
| Truro to Oregon City (Oregon) | 4,848.45 mi (7,802.82 km) |
| Truro to Orem (Utah) | 4,770.53 mi (7,677.43 km) |
| Truro to Orinda (California) | 5,250.50 mi (8,449.86 km) |
| Truro to Orland Park (Illinois) | 3,815.34 mi (6,140.20 km) |
| Truro to Orlando (Florida) | 4,146.19 mi (6,672.65 km) |
| Truro to Ormond Beach (Florida) | 4,096.53 mi (6,592.72 km) |
| Truro to Oro Valley (Arizona) | 5,159.99 mi (8,304.21 km) |
| Truro to Oroville (California) | 5,140.60 mi (8,272.99 km) |
| Truro to Oshkosh (Wisconsin) | 3,738.15 mi (6,015.96 km) |
| Truro to Oskaloosa (Iowa) | 4,018.06 mi (6,466.45 km) |
