| Plattsburgh to Oskaloosa (Iowa) | 995.05 mi (1,601.38 km) |
| Plattsburgh to Oswego (Illinois) | 776.72 mi (1,250.02 km) |
| Plattsburgh to Oswego (New York) | 173.81 mi (279.73 km) |
| Plattsburgh to Otsego (Minnesota) | 983.68 mi (1,583.09 km) |
| Plattsburgh to Ottawa (Illinois) | 808.48 mi (1,301.13 km) |
| Plattsburgh to Ottawa (Kansas) | 1,197.59 mi (1,927.33 km) |
| Plattsburgh to Ottumwa (Iowa) | 990.89 mi (1,594.68 km) |
| Plattsburgh to Overland (Missouri) | 963.48 mi (1,550.57 km) |
| Plattsburgh to Overland Park (Kansas) | 1,160.87 mi (1,868.23 km) |
| Plattsburgh to Overlea (Maryland) | 400.36 mi (644.31 km) |
| Plattsburgh to Oviedo (Florida) | 1,186.60 mi (1,909.64 km) |
| Plattsburgh to Owasso (Oklahoma) | 1,305.50 mi (2,101.00 km) |
| Plattsburgh to Owatonna (Minnesota) | 974.80 mi (1,568.79 km) |
| Plattsburgh to Owensboro (Kentucky) | 854.78 mi (1,375.64 km) |
| Plattsburgh to Owings Mills (Maryland) | 403.07 mi (648.68 km) |
