| Elk Grove to Rockville (Maryland) | 2,359.71 mi (3,797.59 km) |
| Elk Grove to Rockville Centre (New York) | 2,517.36 mi (4,051.30 km) |
| Elk Grove to Rockwall (Texas) | 1,445.97 mi (2,327.07 km) |
| Elk Grove to Rocky Mount (North Carolina) | 2,382.31 mi (3,833.97 km) |
| Elk Grove to Rocky Point (New York) | 2,549.18 mi (4,102.51 km) |
| Elk Grove to Rocky River (Ohio) | 2,086.45 mi (3,357.82 km) |
| Elk Grove to Roessleville (New York) | 2,482.43 mi (3,995.08 km) |
| Elk Grove to Rogers (Arkansas) | 1,496.91 mi (2,409.04 km) |
| Elk Grove to Rogers (Minnesota) | 1,497.93 mi (2,410.69 km) |
| Elk Grove to Rohnert Park (California) | 71.23 mi (114.64 km) |
| Elk Grove to Rolla (Missouri) | 1,602.26 mi (2,578.59 km) |
| Elk Grove to Rolling Meadows (Illinois) | 1,765.96 mi (2,842.04 km) |
| Elk Grove to Roma (Texas) | 1,539.79 mi (2,478.05 km) |
| Elk Grove to Rome (Georgia) | 2,021.80 mi (3,253.78 km) |
| Elk Grove to Rome (New York) | 2,392.15 mi (3,849.80 km) |
