| Plonsk to Oswego (Illinois) | 4,662.20 mi (7,503.09 km) |
| Plonsk to Oswego (New York) | 4,173.94 mi (6,717.31 km) |
| Plonsk to Otsego (Minnesota) | 4,628.85 mi (7,449.41 km) |
| Plonsk to Ottawa (Illinois) | 4,695.66 mi (7,556.93 km) |
| Plonsk to Ottawa (Kansas) | 5,051.40 mi (8,129.44 km) |
| Plonsk to Ottumwa (Iowa) | 4,827.52 mi (7,769.15 km) |
| Plonsk to Overland (Missouri) | 4,891.04 mi (7,871.37 km) |
| Plonsk to Overland Park (Kansas) | 5,017.30 mi (8,074.57 km) |
| Plonsk to Overlea (Maryland) | 4,380.77 mi (7,050.17 km) |
| Plonsk to Oviedo (Florida) | 5,118.26 mi (8,237.05 km) |
| Plonsk to Owasso (Oklahoma) | 5,200.59 mi (8,369.55 km) |
| Plonsk to Owatonna (Minnesota) | 4,682.20 mi (7,535.27 km) |
| Plonsk to Owensboro (Kentucky) | 4,835.10 mi (7,781.34 km) |
| Plonsk to Owings Mills (Maryland) | 4,388.20 mi (7,062.12 km) |
| Plonsk to Owosso (Michigan) | 4,457.02 mi (7,172.89 km) |
