| Forney to Oswego (Illinois) | 761.37 mi (1,225.31 km) |
| Forney to Oswego (New York) | 1,307.66 mi (2,104.48 km) |
| Forney to Otsego (Minnesota) | 878.30 mi (1,413.48 km) |
| Forney to Ottawa (Illinois) | 727.95 mi (1,171.52 km) |
| Forney to Ottawa (Kansas) | 410.04 mi (659.90 km) |
| Forney to Ottumwa (Iowa) | 613.52 mi (987.36 km) |
| Forney to Overland (Missouri) | 534.16 mi (859.64 km) |
| Forney to Overland Park (Kansas) | 435.79 mi (701.34 km) |
| Forney to Overlea (Maryland) | 1,200.56 mi (1,932.11 km) |
| Forney to Oviedo (Florida) | 948.80 mi (1,526.95 km) |
| Forney to Owasso (Oklahoma) | 247.40 mi (398.15 km) |
| Forney to Owatonna (Minnesota) | 803.00 mi (1,292.30 km) |
| Forney to Owensboro (Kentucky) | 629.93 mi (1,013.78 km) |
| Forney to Owings Mills (Maryland) | 1,187.46 mi (1,911.03 km) |
| Forney to Owosso (Michigan) | 972.66 mi (1,565.35 km) |
