| Gary to Ridgeland (Mississippi) | 651.84 mi (1,049.04 km) |
| Gary to Ridgewood (New Jersey) | 687.73 mi (1,106.79 km) |
| Gary to Rifle (Colorado) | 1,078.90 mi (1,736.33 km) |
| Gary to Rincon (Georgia) | 725.07 mi (1,166.88 km) |
| Gary to Ringwood (New Jersey) | 678.22 mi (1,091.49 km) |
| Gary to Río Grande (Puerto Rico) | 2,044.08 mi (3,289.62 km) |
| Gary to Rio Grande City (Texas) | 1,236.94 mi (1,990.66 km) |
| Gary to Rio Linda (California) | 1,800.24 mi (2,897.20 km) |
| Gary to Rio Rancho (New Mexico) | 1,130.99 mi (1,820.16 km) |
| Gary to Rio Rico (Arizona) | 1,479.23 mi (2,380.59 km) |
| Gary to Ripon (California) | 1,804.69 mi (2,904.36 km) |
| Gary to River Edge (New Jersey) | 692.08 mi (1,113.80 km) |
| Gary to River Falls (Wisconsin) | 348.65 mi (561.10 km) |
| Gary to River Forest (Illinois) | 32.17 mi (51.77 km) |
| Gary to River Grove (Illinois) | 34.22 mi (55.08 km) |
