| Thouare-sur-Loire to Oswego (Illinois) | 4,072.53 mi (6,554.10 km) |
| Thouare-sur-Loire to Oswego (New York) | 3,509.29 mi (5,647.66 km) |
| Thouare-sur-Loire to Otsego (Minnesota) | 4,129.00 mi (6,644.98 km) |
| Thouare-sur-Loire to Ottawa (Illinois) | 4,106.40 mi (6,608.62 km) |
| Thouare-sur-Loire to Ottawa (Kansas) | 4,489.90 mi (7,225.79 km) |
| Thouare-sur-Loire to Ottumwa (Iowa) | 4,266.44 mi (6,866.17 km) |
| Thouare-sur-Loire to Overland (Missouri) | 4,285.36 mi (6,896.62 km) |
| Thouare-sur-Loire to Overland Park (Kansas) | 4,453.47 mi (7,167.17 km) |
| Thouare-sur-Loire to Overlea (Maryland) | 3,666.16 mi (5,900.12 km) |
| Thouare-sur-Loire to Oviedo (Florida) | 4,333.98 mi (6,974.87 km) |
| Thouare-sur-Loire to Owasso (Oklahoma) | 4,620.17 mi (7,435.44 km) |
| Thouare-sur-Loire to Owatonna (Minnesota) | 4,164.54 mi (6,702.18 km) |
| Thouare-sur-Loire to Owensboro (Kentucky) | 4,190.25 mi (6,743.56 km) |
| Thouare-sur-Loire to Owings Mills (Maryland) | 3,676.28 mi (5,916.41 km) |
| Thouare-sur-Loire to Owosso (Michigan) | 3,847.88 mi (6,192.56 km) |
