| La Teste-de-Buch to Oswego (Illinois) | 4,176.83 mi (6,721.95 km) |
| La Teste-de-Buch to Oswego (New York) | 3,602.62 mi (5,797.86 km) |
| La Teste-de-Buch to Otsego (Minnesota) | 4,248.40 mi (6,837.14 km) |
| La Teste-de-Buch to Ottawa (Illinois) | 4,210.56 mi (6,776.25 km) |
| La Teste-de-Buch to Ottawa (Kansas) | 4,596.80 mi (7,397.83 km) |
| La Teste-de-Buch to Ottumwa (Iowa) | 4,374.72 mi (7,040.43 km) |
| La Teste-de-Buch to Overland (Missouri) | 4,385.33 mi (7,057.51 km) |
| La Teste-de-Buch to Overland Park (Kansas) | 4,560.16 mi (7,338.87 km) |
| La Teste-de-Buch to Overlea (Maryland) | 3,747.23 mi (6,030.58 km) |
| La Teste-de-Buch to Oviedo (Florida) | 4,393.29 mi (7,070.32 km) |
| La Teste-de-Buch to Owasso (Oklahoma) | 4,722.91 mi (7,600.79 km) |
| La Teste-de-Buch to Owatonna (Minnesota) | 4,280.84 mi (6,889.34 km) |
| La Teste-de-Buch to Owensboro (Kentucky) | 4,283.08 mi (6,892.95 km) |
| La Teste-de-Buch to Owings Mills (Maryland) | 3,757.90 mi (6,047.76 km) |
| La Teste-de-Buch to Owosso (Michigan) | 3,949.97 mi (6,356.86 km) |
