| Castenaso to Oswego (Illinois) | 4,694.65 mi (7,555.31 km) |
| Castenaso to Oswego (New York) | 4,143.51 mi (6,668.34 km) |
| Castenaso to Otsego (Minnesota) | 4,729.38 mi (7,611.20 km) |
| Castenaso to Ottawa (Illinois) | 4,728.60 mi (7,609.95 km) |
| Castenaso to Ottawa (Kansas) | 5,107.78 mi (8,220.18 km) |
| Castenaso to Ottumwa (Iowa) | 4,883.11 mi (7,858.60 km) |
| Castenaso to Overland (Missouri) | 4,911.82 mi (7,904.81 km) |
| Castenaso to Overland Park (Kansas) | 5,071.71 mi (8,162.12 km) |
| Castenaso to Overlea (Maryland) | 4,308.35 mi (6,933.63 km) |
| Castenaso to Oviedo (Florida) | 4,982.35 mi (8,018.32 km) |
| Castenaso to Owasso (Oklahoma) | 5,242.84 mi (8,437.53 km) |
| Castenaso to Owatonna (Minnesota) | 4,769.89 mi (7,676.40 km) |
| Castenaso to Owensboro (Kentucky) | 4,823.70 mi (7,762.99 km) |
| Castenaso to Owings Mills (Maryland) | 4,318.17 mi (6,949.42 km) |
| Castenaso to Owosso (Michigan) | 4,473.04 mi (7,198.66 km) |
