| Cecina to Oswego (Illinois) | 4,706.97 mi (7,575.13 km) |
| Cecina to Oswego (New York) | 4,148.81 mi (6,676.87 km) |
| Cecina to Otsego (Minnesota) | 4,750.86 mi (7,645.77 km) |
| Cecina to Ottawa (Illinois) | 4,740.89 mi (7,629.73 km) |
| Cecina to Ottawa (Kansas) | 5,122.27 mi (8,243.50 km) |
| Cecina to Ottumwa (Iowa) | 4,898.07 mi (7,882.69 km) |
| Cecina to Overland (Missouri) | 4,921.95 mi (7,921.11 km) |
| Cecina to Overland Park (Kansas) | 5,086.02 mi (8,185.16 km) |
| Cecina to Overlea (Maryland) | 4,307.31 mi (6,931.94 km) |
| Cecina to Oviedo (Florida) | 4,970.53 mi (7,999.29 km) |
| Cecina to Owasso (Oklahoma) | 5,255.05 mi (8,457.19 km) |
| Cecina to Owatonna (Minnesota) | 4,789.53 mi (7,708.00 km) |
| Cecina to Owensboro (Kentucky) | 4,829.64 mi (7,772.55 km) |
| Cecina to Owings Mills (Maryland) | 4,317.42 mi (6,948.22 km) |
| Cecina to Owosso (Michigan) | 4,483.73 mi (7,215.87 km) |
