| Gardner to Robertsville (New Jersey) | 1,101.40 mi (1,772.53 km) |
| Gardner to Robinson (Texas) | 523.49 mi (842.48 km) |
| Gardner to Robstown (Texas) | 777.46 mi (1,251.20 km) |
| Gardner to Rochester (Michigan) | 672.76 mi (1,082.70 km) |
| Gardner to Rochester (Minnesota) | 381.20 mi (613.49 km) |
| Gardner to Rochester (New Hampshire) | 1,280.85 mi (2,061.32 km) |
| Gardner to Rochester (New York) | 949.60 mi (1,528.23 km) |
| Gardner to Rochester Hills (Michigan) | 670.50 mi (1,079.07 km) |
| Gardner to Rock Hill (South Carolina) | 812.63 mi (1,307.80 km) |
| Gardner to Rock Island (Illinois) | 293.84 mi (472.90 km) |
| Gardner to Rock Springs (Wyoming) | 777.37 mi (1,251.05 km) |
| Gardner to Rockford (Illinois) | 389.11 mi (626.22 km) |
| Gardner to Rockledge (Florida) | 1,089.80 mi (1,753.86 km) |
| Gardner to Rocklin (California) | 1,412.18 mi (2,272.68 km) |
| Gardner to Rockport (Texas) | 755.17 mi (1,215.33 km) |
