| Gardner to Ridgeland (Mississippi) | 516.43 mi (831.12 km) |
| Gardner to Ridgewood (New Jersey) | 1,110.80 mi (1,787.66 km) |
| Gardner to Rifle (Colorado) | 689.27 mi (1,109.27 km) |
| Gardner to Rincon (Georgia) | 890.28 mi (1,432.77 km) |
| Gardner to Ringwood (New Jersey) | 1,102.53 mi (1,774.35 km) |
| Gardner to Río Grande (Puerto Rico) | 2,242.45 mi (3,608.87 km) |
| Gardner to Rio Grande City (Texas) | 888.08 mi (1,429.22 km) |
| Gardner to Rio Linda (California) | 1,423.69 mi (2,291.20 km) |
| Gardner to Rio Rancho (New Mexico) | 692.62 mi (1,114.67 km) |
| Gardner to Rio Rico (Arizona) | 1,036.42 mi (1,667.96 km) |
| Gardner to Ripon (California) | 1,418.34 mi (2,282.60 km) |
| Gardner to River Edge (New Jersey) | 1,114.61 mi (1,793.79 km) |
| Gardner to River Falls (Wisconsin) | 434.36 mi (699.03 km) |
| Gardner to River Forest (Illinois) | 430.42 mi (692.70 km) |
| Gardner to River Grove (Illinois) | 430.51 mi (692.84 km) |
