| Truro to Oswego (Illinois) | 3,830.94 mi (6,165.31 km) |
| Truro to Oswego (New York) | 3,277.08 mi (5,273.96 km) |
| Truro to Otsego (Minnesota) | 3,877.37 mi (6,240.02 km) |
| Truro to Ottawa (Illinois) | 3,864.87 mi (6,219.91 km) |
| Truro to Ottawa (Kansas) | 4,246.01 mi (6,833.29 km) |
| Truro to Ottumwa (Iowa) | 4,021.82 mi (6,472.49 km) |
| Truro to Overland (Missouri) | 4,046.71 mi (6,512.55 km) |
| Truro to Overland Park (Kansas) | 4,209.75 mi (6,774.95 km) |
| Truro to Overlea (Maryland) | 3,444.18 mi (5,542.88 km) |
| Truro to Oviedo (Florida) | 4,130.97 mi (6,648.16 km) |
| Truro to Owasso (Oklahoma) | 4,379.08 mi (7,047.45 km) |
| Truro to Owatonna (Minnesota) | 3,914.76 mi (6,300.19 km) |
| Truro to Owensboro (Kentucky) | 3,957.30 mi (6,368.66 km) |
| Truro to Owings Mills (Maryland) | 3,453.78 mi (5,558.33 km) |
| Truro to Owosso (Michigan) | 3,608.21 mi (5,806.85 km) |
