| Alpena to Rosemont (California) | 1,984.67 mi (3,194.02 km) |
| Alpena to Rosemount (Minnesota) | 471.29 mi (758.46 km) |
| Alpena to Rosenberg (Texas) | 1,267.15 mi (2,039.29 km) |
| Alpena to Roseville (California) | 1,976.37 mi (3,180.66 km) |
| Alpena to Roseville (Michigan) | 179.10 mi (288.24 km) |
| Alpena to Roseville (Minnesota) | 473.97 mi (762.78 km) |
| Alpena to Rossmoor (California) | 1,987.25 mi (3,198.16 km) |
| Alpena to Rossville (Maryland) | 531.56 mi (855.47 km) |
| Alpena to Roswell (Georgia) | 763.97 mi (1,229.49 km) |
| Alpena to Roswell (New Mexico) | 1,381.56 mi (2,223.41 km) |
| Alpena to Round Lake (Illinois) | 299.74 mi (482.38 km) |
| Alpena to Round Lake Beach (Illinois) | 297.18 mi (478.26 km) |
| Alpena to Round Rock (Texas) | 1,266.08 mi (2,037.56 km) |
| Alpena to Rowland Heights (California) | 1,971.24 mi (3,172.40 km) |
| Alpena to Rowlett (Texas) | 1,093.09 mi (1,759.16 km) |
