| Ciro Marina to Oswego (Illinois) | 5,144.82 mi (8,279.79 km) |
| Ciro Marina to Oswego (New York) | 4,586.15 mi (7,380.69 km) |
| Ciro Marina to Otsego (Minnesota) | 5,185.94 mi (8,345.97 km) |
| Ciro Marina to Ottawa (Illinois) | 5,178.75 mi (8,334.39 km) |
| Ciro Marina to Ottawa (Kansas) | 5,559.85 mi (8,947.72 km) |
| Ciro Marina to Ottumwa (Iowa) | 5,335.55 mi (8,586.74 km) |
| Ciro Marina to Overland (Missouri) | 5,359.87 mi (8,625.87 km) |
| Ciro Marina to Overland Park (Kansas) | 5,523.63 mi (8,889.42 km) |
| Ciro Marina to Overlea (Maryland) | 4,742.19 mi (7,631.82 km) |
| Ciro Marina to Oviedo (Florida) | 5,396.59 mi (8,684.98 km) |
| Ciro Marina to Owasso (Oklahoma) | 5,692.92 mi (9,161.88 km) |
| Ciro Marina to Owatonna (Minnesota) | 5,225.50 mi (8,409.63 km) |
| Ciro Marina to Owensboro (Kentucky) | 5,267.05 mi (8,476.49 km) |
| Ciro Marina to Owings Mills (Maryland) | 4,752.47 mi (7,648.35 km) |
| Ciro Marina to Owosso (Michigan) | 4,921.66 mi (7,920.64 km) |
