| Gardner to Rockville (Maryland) | 953.65 mi (1,534.76 km) |
| Gardner to Rockville Centre (New York) | 1,135.52 mi (1,827.44 km) |
| Gardner to Rockwall (Texas) | 415.99 mi (669.47 km) |
| Gardner to Rocky Mount (North Carolina) | 958.79 mi (1,543.03 km) |
| Gardner to Rocky Point (New York) | 1,172.15 mi (1,886.39 km) |
| Gardner to Rocky River (Ohio) | 713.82 mi (1,148.78 km) |
| Gardner to Roessleville (New York) | 1,134.81 mi (1,826.29 km) |
| Gardner to Rogers (Arkansas) | 177.54 mi (285.72 km) |
| Gardner to Rogers (Minnesota) | 445.82 mi (717.47 km) |
| Gardner to Rohnert Park (California) | 1,494.43 mi (2,405.05 km) |
| Gardner to Rolla (Missouri) | 181.66 mi (292.35 km) |
| Gardner to Rolling Meadows (Illinois) | 427.04 mi (687.25 km) |
| Gardner to Roma (Texas) | 888.46 mi (1,429.83 km) |
| Gardner to Rome (Georgia) | 624.84 mi (1,005.58 km) |
| Gardner to Rome (New York) | 1,055.33 mi (1,698.39 km) |
