| Manching to Oswego (Illinois) | 4,521.73 mi (7,277.02 km) |
| Manching to Oswego (New York) | 3,990.41 mi (6,421.94 km) |
| Manching to Otsego (Minnesota) | 4,534.12 mi (7,296.96 km) |
| Manching to Ottawa (Illinois) | 4,555.65 mi (7,331.61 km) |
| Manching to Ottawa (Kansas) | 4,928.35 mi (7,931.41 km) |
| Manching to Ottumwa (Iowa) | 4,703.10 mi (7,568.90 km) |
| Manching to Overland (Missouri) | 4,743.78 mi (7,634.37 km) |
| Manching to Overland Park (Kansas) | 4,892.80 mi (7,874.20 km) |
| Manching to Overlea (Maryland) | 4,171.63 mi (6,713.59 km) |
| Manching to Oviedo (Florida) | 4,873.29 mi (7,842.80 km) |
| Manching to Owasso (Oklahoma) | 5,068.67 mi (8,157.23 km) |
| Manching to Owatonna (Minnesota) | 4,578.90 mi (7,369.02 km) |
| Manching to Owensboro (Kentucky) | 4,666.65 mi (7,510.25 km) |
| Manching to Owings Mills (Maryland) | 4,180.58 mi (6,728.00 km) |
| Manching to Owosso (Michigan) | 4,304.87 mi (6,928.02 km) |
