| Robstown to Oskaloosa (Iowa) | 975.08 mi (1,569.24 km) |
| Robstown to Oswego (Illinois) | 1,094.59 mi (1,761.57 km) |
| Robstown to Oswego (New York) | 1,598.72 mi (2,572.90 km) |
| Robstown to Otsego (Minnesota) | 1,227.52 mi (1,975.51 km) |
| Robstown to Ottawa (Illinois) | 1,062.10 mi (1,709.28 km) |
| Robstown to Ottawa (Kansas) | 759.35 mi (1,222.06 km) |
| Robstown to Ottumwa (Iowa) | 961.05 mi (1,546.67 km) |
| Robstown to Overland (Missouri) | 862.62 mi (1,388.25 km) |
| Robstown to Overland Park (Kansas) | 785.41 mi (1,263.99 km) |
| Robstown to Overlea (Maryland) | 1,450.72 mi (2,334.71 km) |
| Robstown to Oviedo (Florida) | 1,004.36 mi (1,616.36 km) |
| Robstown to Owasso (Oklahoma) | 596.62 mi (960.16 km) |
| Robstown to Owatonna (Minnesota) | 1,152.60 mi (1,854.93 km) |
| Robstown to Owensboro (Kentucky) | 920.46 mi (1,481.33 km) |
| Robstown to Owings Mills (Maryland) | 1,439.23 mi (2,316.21 km) |
