| Elk River to Robertsville (New Jersey) | 1,032.57 mi (1,661.75 km) |
| Elk River to Robinson (Texas) | 977.95 mi (1,573.85 km) |
| Elk River to Robstown (Texas) | 1,232.48 mi (1,983.48 km) |
| Elk River to Rochester (Michigan) | 549.89 mi (884.97 km) |
| Elk River to Rochester (Minnesota) | 105.50 mi (169.78 km) |
| Elk River to Rochester (New Hampshire) | 1,121.74 mi (1,805.26 km) |
| Elk River to Rochester (New York) | 802.06 mi (1,290.79 km) |
| Elk River to Rochester Hills (Michigan) | 548.78 mi (883.18 km) |
| Elk River to Rock Hill (South Carolina) | 974.58 mi (1,568.43 km) |
| Elk River to Rock Island (Illinois) | 305.93 mi (492.35 km) |
| Elk River to Rock Springs (Wyoming) | 824.81 mi (1,327.40 km) |
| Elk River to Rockford (Illinois) | 308.91 mi (497.14 km) |
| Elk River to Rockledge (Florida) | 1,369.05 mi (2,203.28 km) |
| Elk River to Rocklin (California) | 1,481.14 mi (2,383.66 km) |
| Elk River to Rockport (Texas) | 1,210.84 mi (1,948.65 km) |
