| Cervia to Oswego (Illinois) | 4,739.84 mi (7,628.04 km) |
| Cervia to Oswego (New York) | 4,189.56 mi (6,742.45 km) |
| Cervia to Otsego (Minnesota) | 4,773.08 mi (7,681.53 km) |
| Cervia to Ottawa (Illinois) | 4,773.79 mi (7,682.68 km) |
| Cervia to Ottawa (Kansas) | 5,152.64 mi (8,292.37 km) |
| Cervia to Ottumwa (Iowa) | 4,927.90 mi (7,930.69 km) |
| Cervia to Overland (Missouri) | 4,957.29 mi (7,977.99 km) |
| Cervia to Overland Park (Kansas) | 5,116.59 mi (8,234.36 km) |
| Cervia to Overlea (Maryland) | 4,354.93 mi (7,008.59 km) |
| Cervia to Oviedo (Florida) | 5,029.36 mi (8,093.97 km) |
| Cervia to Owasso (Oklahoma) | 5,288.02 mi (8,510.24 km) |
| Cervia to Owatonna (Minnesota) | 4,813.93 mi (7,747.27 km) |
| Cervia to Owensboro (Kentucky) | 4,869.66 mi (7,836.95 km) |
| Cervia to Owings Mills (Maryland) | 4,364.73 mi (7,024.35 km) |
| Cervia to Owosso (Michigan) | 4,518.46 mi (7,271.76 km) |
