| Comines to Oswego (Illinois) | 4,127.40 mi (6,642.42 km) |
| Comines to Oswego (New York) | 3,589.72 mi (5,777.10 km) |
| Comines to Otsego (Minnesota) | 4,151.01 mi (6,680.40 km) |
| Comines to Ottawa (Illinois) | 4,161.35 mi (6,697.05 km) |
| Comines to Ottawa (Kansas) | 4,536.97 mi (7,301.55 km) |
| Comines to Ottumwa (Iowa) | 4,311.88 mi (6,939.30 km) |
| Comines to Overland (Missouri) | 4,347.74 mi (6,997.02 km) |
| Comines to Overland Park (Kansas) | 4,501.17 mi (7,243.93 km) |
| Comines to Overlea (Maryland) | 3,768.30 mi (6,064.50 km) |
| Comines to Oviedo (Florida) | 4,469.35 mi (7,192.72 km) |
| Comines to Owasso (Oklahoma) | 4,675.10 mi (7,523.84 km) |
| Comines to Owatonna (Minnesota) | 4,193.27 mi (6,748.41 km) |
| Comines to Owensboro (Kentucky) | 4,267.23 mi (6,867.44 km) |
| Comines to Owings Mills (Maryland) | 3,777.35 mi (6,079.06 km) |
| Comines to Owosso (Michigan) | 3,908.67 mi (6,290.40 km) |
