| Plock to Oswego (Illinois) | 4,643.86 mi (7,473.57 km) |
| Plock to Oswego (New York) | 4,153.32 mi (6,684.13 km) |
| Plock to Otsego (Minnesota) | 4,612.85 mi (7,423.66 km) |
| Plock to Ottawa (Illinois) | 4,677.35 mi (7,527.47 km) |
| Plock to Ottawa (Kansas) | 5,034.08 mi (8,101.58 km) |
| Plock to Ottumwa (Iowa) | 4,810.06 mi (7,741.04 km) |
| Plock to Overland (Missouri) | 4,872.44 mi (7,841.44 km) |
| Plock to Overland Park (Kansas) | 4,999.90 mi (8,046.57 km) |
| Plock to Overlea (Maryland) | 4,359.04 mi (7,015.19 km) |
| Plock to Oviedo (Florida) | 5,095.13 mi (8,199.82 km) |
| Plock to Owasso (Oklahoma) | 5,182.88 mi (8,341.04 km) |
| Plock to Owatonna (Minnesota) | 4,665.77 mi (7,508.83 km) |
| Plock to Owensboro (Kentucky) | 4,815.43 mi (7,749.69 km) |
| Plock to Owings Mills (Maryland) | 4,366.54 mi (7,027.26 km) |
| Plock to Owosso (Michigan) | 4,438.03 mi (7,142.31 km) |
