| Portage to Rosemont (California) | 1,885.42 mi (3,034.29 km) |
| Portage to Rosemount (Minnesota) | 413.85 mi (666.03 km) |
| Portage to Rosenberg (Texas) | 1,043.49 mi (1,679.34 km) |
| Portage to Roseville (California) | 1,878.60 mi (3,023.31 km) |
| Portage to Roseville (Michigan) | 137.15 mi (220.72 km) |
| Portage to Roseville (Minnesota) | 425.25 mi (684.37 km) |
| Portage to Rossmoor (California) | 1,849.09 mi (2,975.83 km) |
| Portage to Rossville (Maryland) | 515.37 mi (829.40 km) |
| Portage to Roswell (Georgia) | 567.85 mi (913.87 km) |
| Portage to Roswell (New Mexico) | 1,196.58 mi (1,925.70 km) |
| Portage to Round Lake (Illinois) | 128.98 mi (207.57 km) |
| Portage to Round Lake Beach (Illinois) | 127.89 mi (205.82 km) |
| Portage to Round Rock (Texas) | 1,047.40 mi (1,685.63 km) |
| Portage to Rowland Heights (California) | 1,833.61 mi (2,950.91 km) |
| Portage to Rowlett (Texas) | 877.03 mi (1,411.44 km) |
