| Alpena to Rockville (Maryland) | 524.24 mi (843.69 km) |
| Alpena to Rockville Centre (New York) | 581.80 mi (936.31 km) |
| Alpena to Rockwall (Texas) | 1,089.22 mi (1,752.93 km) |
| Alpena to Rocky Mount (North Carolina) | 694.85 mi (1,118.25 km) |
| Alpena to Rocky Point (New York) | 602.18 mi (969.12 km) |
| Alpena to Rocky River (Ohio) | 261.48 mi (420.81 km) |
| Alpena to Roessleville (New York) | 507.16 mi (816.20 km) |
| Alpena to Rogers (Arkansas) | 823.81 mi (1,325.80 km) |
| Alpena to Rogers (Minnesota) | 493.92 mi (794.89 km) |
| Alpena to Rohnert Park (California) | 2,056.08 mi (3,308.94 km) |
| Alpena to Rolla (Missouri) | 653.41 mi (1,051.56 km) |
| Alpena to Rolling Meadows (Illinois) | 309.13 mi (497.50 km) |
| Alpena to Roma (Texas) | 1,550.75 mi (2,495.69 km) |
| Alpena to Rome (Georgia) | 752.45 mi (1,210.95 km) |
| Alpena to Rome (New York) | 414.05 mi (666.35 km) |
