| Robstown to Portage (Indiana) | 1,121.89 mi (1,805.51 km) |
| Robstown to Portage (Michigan) | 1,204.76 mi (1,938.87 km) |
| Robstown to Portage (Wisconsin) | 1,180.44 mi (1,899.73 km) |
| Robstown to Portales (New Mexico) | 554.64 mi (892.60 km) |
| Robstown to Porterville (California) | 1,372.96 mi (2,209.56 km) |
| Robstown to Portland (Maine) | 1,873.78 mi (3,015.56 km) |
| Robstown to Portland (Oregon) | 1,835.13 mi (2,953.36 km) |
| Robstown to Portland (Tennessee) | 889.94 mi (1,432.22 km) |
| Robstown to Portland (Texas) | 21.98 mi (35.37 km) |
| Robstown to Portsmouth (New Hampshire) | 1,831.69 mi (2,947.83 km) |
| Robstown to Portsmouth (Ohio) | 1,136.07 mi (1,828.32 km) |
| Robstown to Portsmouth (Virginia) | 1,388.50 mi (2,234.57 km) |
| Robstown to Post Falls (Idaho) | 1,722.85 mi (2,772.65 km) |
| Robstown to Potomac (Maryland) | 1,407.43 mi (2,265.05 km) |
| Robstown to Potomac Park (California) | 1,354.60 mi (2,180.02 km) |
