| Cerveteri to Oswego (Illinois) | 4,826.34 mi (7,767.24 km) |
| Cerveteri to Oswego (New York) | 4,266.31 mi (6,865.96 km) |
| Cerveteri to Otsego (Minnesota) | 4,871.83 mi (7,840.45 km) |
| Cerveteri to Ottawa (Illinois) | 4,860.25 mi (7,821.82 km) |
| Cerveteri to Ottawa (Kansas) | 5,242.09 mi (8,436.33 km) |
| Cerveteri to Ottumwa (Iowa) | 5,018.01 mi (8,075.70 km) |
| Cerveteri to Overland (Missouri) | 5,040.75 mi (8,112.31 km) |
| Cerveteri to Overland Park (Kansas) | 5,205.81 mi (8,377.93 km) |
| Cerveteri to Overlea (Maryland) | 4,422.48 mi (7,117.29 km) |
| Cerveteri to Oviedo (Florida) | 5,080.45 mi (8,176.19 km) |
| Cerveteri to Owasso (Oklahoma) | 5,374.35 mi (8,649.18 km) |
| Cerveteri to Owatonna (Minnesota) | 4,910.26 mi (7,902.31 km) |
| Cerveteri to Owensboro (Kentucky) | 4,947.23 mi (7,961.80 km) |
| Cerveteri to Owings Mills (Maryland) | 4,432.71 mi (7,133.76 km) |
| Cerveteri to Owosso (Michigan) | 4,602.73 mi (7,407.38 km) |
