| Gary to River Ridge (Louisiana) | 819.48 mi (1,318.82 km) |
| Gary to Riverbank (California) | 1,795.35 mi (2,889.34 km) |
| Gary to Riverdale (Georgia) | 577.33 mi (929.12 km) |
| Gary to Riverdale (Illinois) | 15.40 mi (24.78 km) |
| Gary to Riverside (California) | 1,714.19 mi (2,758.73 km) |
| Gary to Riverside (Ohio) | 210.08 mi (338.09 km) |
| Gary to Riverton (Utah) | 1,280.36 mi (2,060.55 km) |
| Gary to Riverton (Wyoming) | 1,078.13 mi (1,735.09 km) |
| Gary to Riverview (Florida) | 992.99 mi (1,598.06 km) |
| Gary to Riverview (Michigan) | 217.35 mi (349.79 km) |
| Gary to Riviera Beach (Florida) | 1,103.36 mi (1,775.69 km) |
| Gary to Riviera Beach (Maryland) | 593.32 mi (954.86 km) |
| Gary to Roanoke (Virginia) | 493.90 mi (794.86 km) |
| Gary to Roanoke Rapids (North Carolina) | 629.79 mi (1,013.55 km) |
| Gary to Robbinsdale (Minnesota) | 383.12 mi (616.58 km) |
