| Caltanissetta to Odessa (Texas) | 6,132.15 mi (9,868.74 km) |
| Caltanissetta to Ogden (Utah) | 6,019.99 mi (9,688.24 km) |
| Caltanissetta to Oildale (California) | 6,570.73 mi (10,574.56 km) |
| Caltanissetta to Ojus (Florida) | 5,365.22 mi (8,634.50 km) |
| Caltanissetta to Okemos (Michigan) | 4,900.26 mi (7,886.21 km) |
| Caltanissetta to Oklahoma City (Oklahoma) | 5,760.10 mi (9,269.98 km) |
| Caltanissetta to Okmulgee (Oklahoma) | 5,690.09 mi (9,157.31 km) |
| Caltanissetta to Olathe (Kansas) | 5,493.19 mi (8,840.43 km) |
| Caltanissetta to Old Jamestown (Missouri) | 5,305.56 mi (8,538.48 km) |
| Caltanissetta to Oldsmar (Florida) | 5,404.63 mi (8,697.91 km) |
| Caltanissetta to Olean (New York) | 4,665.59 mi (7,508.54 km) |
| Caltanissetta to Olive Branch (Mississippi) | 5,451.80 mi (8,773.83 km) |
| Caltanissetta to Olivehurst (California) | 6,442.33 mi (10,367.93 km) |
| Caltanissetta to Olney (Maryland) | 4,709.25 mi (7,578.80 km) |
| Caltanissetta to Olympia (Washington) | 6,019.43 mi (9,687.34 km) |
