| Eching to Oswego (Illinois) | 4,543.19 mi (7,311.56 km) |
| Eching to Oswego (New York) | 4,010.02 mi (6,453.50 km) |
| Eching to Otsego (Minnesota) | 4,557.49 mi (7,334.58 km) |
| Eching to Ottawa (Illinois) | 4,577.12 mi (7,366.16 km) |
| Eching to Ottawa (Kansas) | 4,950.43 mi (7,966.95 km) |
| Eching to Ottumwa (Iowa) | 4,725.20 mi (7,604.48 km) |
| Eching to Overland (Missouri) | 4,764.85 mi (7,668.29 km) |
| Eching to Overland Park (Kansas) | 4,914.84 mi (7,909.67 km) |
| Eching to Overlea (Maryland) | 4,189.80 mi (6,742.84 km) |
| Eching to Oviedo (Florida) | 4,889.08 mi (7,868.21 km) |
| Eching to Owasso (Oklahoma) | 5,090.33 mi (8,192.09 km) |
| Eching to Owatonna (Minnesota) | 4,601.92 mi (7,406.07 km) |
| Eching to Owensboro (Kentucky) | 4,686.75 mi (7,542.59 km) |
| Eching to Owings Mills (Maryland) | 4,198.84 mi (6,757.37 km) |
| Eching to Owosso (Michigan) | 4,325.88 mi (6,961.84 km) |
