| Marsa to Oswego (Illinois) | 5,195.99 mi (8,362.14 km) |
| Marsa to Oswego (New York) | 4,619.94 mi (7,435.08 km) |
| Marsa to Otsego (Minnesota) | 5,262.68 mi (8,469.47 km) |
| Marsa to Ottawa (Illinois) | 5,229.73 mi (8,416.44 km) |
| Marsa to Ottawa (Kansas) | 5,615.85 mi (9,037.83 km) |
| Marsa to Ottumwa (Iowa) | 5,393.57 mi (8,680.12 km) |
| Marsa to Overland (Missouri) | 5,404.12 mi (8,697.10 km) |
| Marsa to Overland Park (Kansas) | 5,579.23 mi (8,978.90 km) |
| Marsa to Overlea (Maryland) | 4,757.59 mi (7,656.60 km) |
| Marsa to Oviedo (Florida) | 5,377.95 mi (8,654.97 km) |
| Marsa to Owasso (Oklahoma) | 5,742.00 mi (9,240.86 km) |
| Marsa to Owatonna (Minnesota) | 5,296.97 mi (8,524.65 km) |
| Marsa to Owensboro (Kentucky) | 5,299.78 mi (8,529.17 km) |
| Marsa to Owings Mills (Maryland) | 4,768.66 mi (7,674.41 km) |
| Marsa to Owosso (Michigan) | 4,969.07 mi (7,996.95 km) |
