| Texarkana to Odenton (Maryland) | 1,041.57 mi (1,676.25 km) |
| Texarkana to Odessa (Texas) | 492.39 mi (792.43 km) |
| Texarkana to Ogden (Utah) | 1,116.66 mi (1,797.10 km) |
| Texarkana to Oildale (California) | 1,424.26 mi (2,292.13 km) |
| Texarkana to Ojus (Florida) | 981.62 mi (1,579.76 km) |
| Texarkana to Okemos (Michigan) | 826.85 mi (1,330.69 km) |
| Texarkana to Oklahoma City (Oklahoma) | 239.96 mi (386.17 km) |
| Texarkana to Okmulgee (Oklahoma) | 185.23 mi (298.09 km) |
| Texarkana to Olathe (Kansas) | 377.63 mi (607.74 km) |
| Texarkana to Old Jamestown (Missouri) | 428.39 mi (689.43 km) |
| Texarkana to Oldsmar (Florida) | 772.98 mi (1,243.99 km) |
| Texarkana to Olean (New York) | 1,039.73 mi (1,673.28 km) |
| Texarkana to Olive Branch (Mississippi) | 263.67 mi (424.34 km) |
| Texarkana to Olivehurst (California) | 1,572.49 mi (2,530.67 km) |
| Texarkana to Olney (Maryland) | 1,023.82 mi (1,647.67 km) |
