| Debar to Oswego (Illinois) | 5,176.80 mi (8,331.26 km) |
| Debar to Oswego (New York) | 4,634.80 mi (7,459.00 km) |
| Debar to Otsego (Minnesota) | 5,196.05 mi (8,362.23 km) |
| Debar to Ottawa (Illinois) | 5,210.75 mi (8,385.89 km) |
| Debar to Ottawa (Kansas) | 5,586.17 mi (8,990.07 km) |
| Debar to Ottumwa (Iowa) | 5,361.03 mi (8,627.74 km) |
| Debar to Overland (Missouri) | 5,396.76 mi (8,685.24 km) |
| Debar to Overland Park (Kansas) | 5,550.42 mi (8,932.54 km) |
| Debar to Overlea (Maryland) | 4,805.04 mi (7,732.97 km) |
| Debar to Oviedo (Florida) | 5,483.59 mi (8,824.98 km) |
| Debar to Owasso (Oklahoma) | 5,724.53 mi (9,212.73 km) |
| Debar to Owatonna (Minnesota) | 5,239.98 mi (8,432.93 km) |
| Debar to Owensboro (Kentucky) | 5,313.79 mi (8,551.71 km) |
| Debar to Owings Mills (Maryland) | 4,814.63 mi (7,748.40 km) |
| Debar to Owosso (Michigan) | 4,957.68 mi (7,978.61 km) |
