| Fully to Oswego (Illinois) | 4,457.64 mi (7,173.88 km) |
| Fully to Oswego (New York) | 3,904.63 mi (6,283.89 km) |
| Fully to Otsego (Minnesota) | 4,496.87 mi (7,237.01 km) |
| Fully to Ottawa (Illinois) | 4,491.58 mi (7,228.51 km) |
| Fully to Ottawa (Kansas) | 4,871.66 mi (7,840.17 km) |
| Fully to Ottumwa (Iowa) | 4,647.17 mi (7,478.89 km) |
| Fully to Overland (Missouri) | 4,674.10 mi (7,522.24 km) |
| Fully to Overland Park (Kansas) | 4,835.50 mi (7,781.99 km) |
| Fully to Overlea (Maryland) | 4,068.98 mi (6,548.39 km) |
| Fully to Oviedo (Florida) | 4,744.57 mi (7,635.65 km) |
| Fully to Owasso (Oklahoma) | 5,005.83 mi (8,056.11 km) |
| Fully to Owatonna (Minnesota) | 4,536.29 mi (7,300.45 km) |
| Fully to Owensboro (Kentucky) | 4,584.96 mi (7,378.77 km) |
| Fully to Owings Mills (Maryland) | 4,078.79 mi (6,564.18 km) |
| Fully to Owosso (Michigan) | 4,235.46 mi (6,816.32 km) |
