| Texarkana to Oskaloosa (Iowa) | 547.59 mi (881.26 km) |
| Texarkana to Oswego (Illinois) | 649.76 mi (1,045.69 km) |
| Texarkana to Oswego (New York) | 1,171.93 mi (1,886.05 km) |
| Texarkana to Otsego (Minnesota) | 816.78 mi (1,314.48 km) |
| Texarkana to Ottawa (Illinois) | 617.47 mi (993.73 km) |
| Texarkana to Ottawa (Kansas) | 361.84 mi (582.32 km) |
| Texarkana to Ottumwa (Iowa) | 530.94 mi (854.47 km) |
| Texarkana to Overland (Missouri) | 417.60 mi (672.06 km) |
| Texarkana to Overland Park (Kansas) | 377.16 mi (606.97 km) |
| Texarkana to Overlea (Maryland) | 1,056.59 mi (1,700.41 km) |
| Texarkana to Oviedo (Florida) | 831.30 mi (1,337.85 km) |
| Texarkana to Owasso (Oklahoma) | 219.64 mi (353.47 km) |
| Texarkana to Owatonna (Minnesota) | 736.66 mi (1,185.54 km) |
| Texarkana to Owensboro (Kentucky) | 491.46 mi (790.93 km) |
| Texarkana to Owings Mills (Maryland) | 1,043.64 mi (1,679.57 km) |
