| Robstown to Odenton (Maryland) | 1,433.01 mi (2,306.21 km) |
| Robstown to Odessa (Texas) | 397.69 mi (640.02 km) |
| Robstown to Ogden (Utah) | 1,231.19 mi (1,981.41 km) |
| Robstown to Oildale (California) | 1,359.45 mi (2,187.82 km) |
| Robstown to Ojus (Florida) | 1,085.57 mi (1,747.06 km) |
| Robstown to Okemos (Michigan) | 1,269.72 mi (2,043.41 km) |
| Robstown to Oklahoma City (Oklahoma) | 530.27 mi (853.39 km) |
| Robstown to Okmulgee (Oklahoma) | 549.01 mi (883.54 km) |
| Robstown to Olathe (Kansas) | 783.52 mi (1,260.96 km) |
| Robstown to Old Jamestown (Missouri) | 873.40 mi (1,405.61 km) |
| Robstown to Oldsmar (Florida) | 915.30 mi (1,473.04 km) |
| Robstown to Olean (New York) | 1,463.86 mi (2,355.86 km) |
| Robstown to Olive Branch (Mississippi) | 676.35 mi (1,088.48 km) |
| Robstown to Olivehurst (California) | 1,575.54 mi (2,535.58 km) |
| Robstown to Olney (Maryland) | 1,417.48 mi (2,281.22 km) |
