| Rockwall to Portage (Indiana) | 785.12 mi (1,263.53 km) |
| Rockwall to Portage (Michigan) | 872.82 mi (1,404.67 km) |
| Rockwall to Portage (Wisconsin) | 825.56 mi (1,328.62 km) |
| Rockwall to Portales (New Mexico) | 407.73 mi (656.17 km) |
| Rockwall to Porterville (California) | 1,302.02 mi (2,095.39 km) |
| Rockwall to Portland (Maine) | 1,592.25 mi (2,562.48 km) |
| Rockwall to Portland (Oregon) | 1,640.38 mi (2,639.94 km) |
| Rockwall to Portland (Tennessee) | 616.98 mi (992.93 km) |
| Rockwall to Portland (Texas) | 351.06 mi (564.98 km) |
| Rockwall to Portsmouth (New Hampshire) | 1,554.27 mi (2,501.36 km) |
| Rockwall to Portsmouth (Ohio) | 855.39 mi (1,376.62 km) |
| Rockwall to Portsmouth (Virginia) | 1,167.85 mi (1,879.47 km) |
| Rockwall to Post Falls (Idaho) | 1,478.80 mi (2,379.90 km) |
| Rockwall to Potomac (Maryland) | 1,152.78 mi (1,855.22 km) |
| Rockwall to Potomac Park (California) | 1,296.46 mi (2,086.46 km) |
