| Elfers to Rockville (Maryland) | 815.97 mi (1,313.18 km) |
| Elfers to Rockville Centre (New York) | 1,002.63 mi (1,613.57 km) |
| Elfers to Rockwall (Texas) | 877.32 mi (1,411.92 km) |
| Elfers to Rocky Mount (North Carolina) | 608.02 mi (978.51 km) |
| Elfers to Rocky Point (New York) | 1,038.87 mi (1,671.91 km) |
| Elfers to Rocky River (Ohio) | 917.23 mi (1,476.14 km) |
| Elfers to Roessleville (New York) | 1,118.11 mi (1,799.43 km) |
| Elfers to Rogers (Arkansas) | 870.25 mi (1,400.53 km) |
| Elfers to Rogers (Minnesota) | 1,315.04 mi (2,116.36 km) |
| Elfers to Rohnert Park (California) | 2,392.12 mi (3,849.74 km) |
| Elfers to Rolla (Missouri) | 851.02 mi (1,369.58 km) |
| Elfers to Rolling Meadows (Illinois) | 1,002.89 mi (1,613.99 km) |
| Elfers to Roma (Texas) | 1,006.51 mi (1,619.82 km) |
| Elfers to Rome (Georgia) | 442.72 mi (712.48 km) |
| Elfers to Rome (New York) | 1,112.63 mi (1,790.60 km) |
