| Ariccia to Oswego (Illinois) | 4,861.34 mi (7,823.57 km) |
| Ariccia to Oswego (New York) | 4,301.43 mi (6,922.48 km) |
| Ariccia to Otsego (Minnesota) | 4,906.38 mi (7,896.06 km) |
| Ariccia to Ottawa (Illinois) | 4,895.25 mi (7,878.15 km) |
| Ariccia to Ottawa (Kansas) | 5,277.02 mi (8,492.55 km) |
| Ariccia to Ottumwa (Iowa) | 5,052.91 mi (8,131.88 km) |
| Ariccia to Overland (Missouri) | 5,075.81 mi (8,168.73 km) |
| Ariccia to Overland Park (Kansas) | 5,240.74 mi (8,434.16 km) |
| Ariccia to Overlea (Maryland) | 4,457.55 mi (7,173.74 km) |
| Ariccia to Oviedo (Florida) | 5,115.07 mi (8,231.91 km) |
| Ariccia to Owasso (Oklahoma) | 5,409.36 mi (8,705.52 km) |
| Ariccia to Owatonna (Minnesota) | 4,944.93 mi (7,958.10 km) |
| Ariccia to Owensboro (Kentucky) | 4,982.35 mi (8,018.32 km) |
| Ariccia to Owings Mills (Maryland) | 4,467.79 mi (7,190.22 km) |
| Ariccia to Owosso (Michigan) | 4,637.77 mi (7,463.77 km) |
