| Alpena to River Ridge (Louisiana) | 1,107.42 mi (1,782.23 km) |
| Alpena to Riverbank (California) | 1,989.58 mi (3,201.91 km) |
| Alpena to Riverdale (Georgia) | 796.94 mi (1,282.55 km) |
| Alpena to Riverdale (Illinois) | 317.08 mi (510.30 km) |
| Alpena to Riverside (California) | 1,948.74 mi (3,136.20 km) |
| Alpena to Riverside (Ohio) | 367.18 mi (590.92 km) |
| Alpena to Riverton (Utah) | 1,471.84 mi (2,368.69 km) |
| Alpena to Riverton (Wyoming) | 1,242.96 mi (2,000.35 km) |
| Alpena to Riverview (Florida) | 1,193.59 mi (1,920.90 km) |
| Alpena to Riverview (Michigan) | 200.86 mi (323.26 km) |
| Alpena to Riviera Beach (Florida) | 1,277.55 mi (2,056.02 km) |
| Alpena to Riviera Beach (Maryland) | 540.34 mi (869.59 km) |
| Alpena to Roanoke (Virginia) | 568.09 mi (914.26 km) |
| Alpena to Roanoke Rapids (North Carolina) | 668.36 mi (1,075.63 km) |
| Alpena to Robbinsdale (Minnesota) | 482.62 mi (776.71 km) |
