| Trapani to Oswego (Illinois) | 5,017.14 mi (8,074.31 km) |
| Trapani to Oswego (New York) | 4,443.80 mi (7,151.61 km) |
| Trapani to Otsego (Minnesota) | 5,080.76 mi (8,176.69 km) |
| Trapani to Ottawa (Illinois) | 5,050.92 mi (8,128.67 km) |
| Trapani to Ottawa (Kansas) | 5,436.43 mi (8,749.09 km) |
| Trapani to Ottumwa (Iowa) | 5,213.81 mi (8,390.81 km) |
| Trapani to Overland (Missouri) | 5,226.44 mi (8,411.15 km) |
| Trapani to Overland Park (Kansas) | 5,399.85 mi (8,690.23 km) |
| Trapani to Overlea (Maryland) | 4,585.33 mi (7,379.38 km) |
| Trapani to Oviedo (Florida) | 5,215.09 mi (8,392.87 km) |
| Trapani to Owasso (Oklahoma) | 5,563.66 mi (8,953.84 km) |
| Trapani to Owatonna (Minnesota) | 5,115.57 mi (8,232.71 km) |
| Trapani to Owensboro (Kentucky) | 5,124.13 mi (8,246.49 km) |
| Trapani to Owings Mills (Maryland) | 4,596.23 mi (7,396.91 km) |
| Trapani to Owosso (Michigan) | 4,790.72 mi (7,709.92 km) |
