| Moncalieri to Oswego (Illinois) | 4,524.98 mi (7,282.25 km) |
| Moncalieri to Oswego (New York) | 3,968.09 mi (6,386.02 km) |
| Moncalieri to Otsego (Minnesota) | 4,568.71 mi (7,352.63 km) |
| Moncalieri to Ottawa (Illinois) | 4,558.91 mi (7,336.85 km) |
| Moncalieri to Ottawa (Kansas) | 4,940.10 mi (7,950.32 km) |
| Moncalieri to Ottumwa (Iowa) | 4,715.86 mi (7,589.44 km) |
| Moncalieri to Overland (Missouri) | 4,740.27 mi (7,628.72 km) |
| Moncalieri to Overland Park (Kansas) | 4,903.85 mi (7,891.99 km) |
| Moncalieri to Overlea (Maryland) | 4,128.63 mi (6,644.38 km) |
| Moncalieri to Oviedo (Florida) | 4,797.23 mi (7,720.39 km) |
| Moncalieri to Owasso (Oklahoma) | 5,073.09 mi (8,164.35 km) |
| Moncalieri to Owatonna (Minnesota) | 4,607.27 mi (7,414.68 km) |
| Moncalieri to Owensboro (Kentucky) | 4,648.80 mi (7,481.52 km) |
| Moncalieri to Owings Mills (Maryland) | 4,138.63 mi (6,660.48 km) |
| Moncalieri to Owosso (Michigan) | 4,301.95 mi (6,923.31 km) |
