| Prescot to Oswego (Illinois) | 3,823.38 mi (6,153.13 km) |
| Prescot to Oswego (New York) | 3,291.65 mi (5,297.40 km) |
| Prescot to Otsego (Minnesota) | 3,843.53 mi (6,185.56 km) |
| Prescot to Ottawa (Illinois) | 3,857.31 mi (6,207.74 km) |
| Prescot to Ottawa (Kansas) | 4,231.56 mi (6,810.04 km) |
| Prescot to Ottumwa (Iowa) | 4,006.38 mi (6,447.65 km) |
| Prescot to Overland (Missouri) | 4,044.82 mi (6,509.51 km) |
| Prescot to Overland Park (Kansas) | 4,195.86 mi (6,752.58 km) |
| Prescot to Overlea (Maryland) | 3,476.37 mi (5,594.68 km) |
| Prescot to Oviedo (Florida) | 4,189.07 mi (6,741.66 km) |
| Prescot to Owasso (Oklahoma) | 4,370.70 mi (7,033.96 km) |
| Prescot to Owatonna (Minnesota) | 3,886.18 mi (6,254.21 km) |
| Prescot to Owensboro (Kentucky) | 3,967.41 mi (6,384.93 km) |
| Prescot to Owings Mills (Maryland) | 3,485.05 mi (5,608.65 km) |
| Prescot to Owosso (Michigan) | 3,605.85 mi (5,803.05 km) |
