| Caltanissetta to Oswego (Illinois) | 5,105.23 mi (8,216.07 km) |
| Caltanissetta to Oswego (New York) | 4,533.33 mi (7,295.69 km) |
| Caltanissetta to Otsego (Minnesota) | 5,165.95 mi (8,313.79 km) |
| Caltanissetta to Ottawa (Illinois) | 5,139.03 mi (8,270.47 km) |
| Caltanissetta to Ottawa (Kansas) | 5,524.10 mi (8,890.17 km) |
| Caltanissetta to Ottumwa (Iowa) | 5,301.23 mi (8,531.50 km) |
| Caltanissetta to Overland (Missouri) | 5,315.20 mi (8,553.99 km) |
| Caltanissetta to Overland Park (Kansas) | 5,487.56 mi (8,831.37 km) |
| Caltanissetta to Overlea (Maryland) | 4,676.10 mi (7,525.46 km) |
| Caltanissetta to Oviedo (Florida) | 5,307.06 mi (8,540.88 km) |
| Caltanissetta to Owasso (Oklahoma) | 5,652.02 mi (9,096.05 km) |
| Caltanissetta to Owatonna (Minnesota) | 5,201.43 mi (8,370.90 km) |
| Caltanissetta to Owensboro (Kentucky) | 5,213.82 mi (8,390.83 km) |
| Caltanissetta to Owings Mills (Maryland) | 4,686.95 mi (7,542.92 km) |
| Caltanissetta to Owosso (Michigan) | 4,879.13 mi (7,852.20 km) |
