| Elk River to Ridgeland (Mississippi) | 910.37 mi (1,465.10 km) |
| Elk River to Ridgewood (New Jersey) | 1,022.62 mi (1,645.75 km) |
| Elk River to Rifle (Colorado) | 826.03 mi (1,329.37 km) |
| Elk River to Rincon (Georgia) | 1,116.17 mi (1,796.30 km) |
| Elk River to Ringwood (New Jersey) | 1,011.45 mi (1,627.77 km) |
| Elk River to Río Grande (Puerto Rico) | 2,448.34 mi (3,940.23 km) |
| Elk River to Rio Grande City (Texas) | 1,341.25 mi (2,158.53 km) |
| Elk River to Rio Linda (California) | 1,494.15 mi (2,404.60 km) |
| Elk River to Rio Rancho (New Mexico) | 977.50 mi (1,573.14 km) |
| Elk River to Rio Rico (Arizona) | 1,337.24 mi (2,152.08 km) |
| Elk River to Ripon (California) | 1,509.92 mi (2,429.99 km) |
| Elk River to River Edge (New Jersey) | 1,027.69 mi (1,653.91 km) |
| Elk River to River Falls (Wisconsin) | 56.29 mi (90.60 km) |
| Elk River to River Forest (Illinois) | 372.72 mi (599.83 km) |
| Elk River to River Grove (Illinois) | 370.66 mi (596.52 km) |
