| Fort Smith to Ridgeland (Mississippi) | 315.37 mi (507.53 km) |
| Fort Smith to Ridgewood (New Jersey) | 1,163.93 mi (1,873.16 km) |
| Fort Smith to Rifle (Colorado) | 789.13 mi (1,269.99 km) |
| Fort Smith to Rincon (Georgia) | 782.20 mi (1,258.83 km) |
| Fort Smith to Ringwood (New Jersey) | 1,157.67 mi (1,863.10 km) |
| Fort Smith to Río Grande (Puerto Rico) | 2,100.88 mi (3,381.04 km) |
| Fort Smith to Rio Grande City (Texas) | 673.36 mi (1,083.67 km) |
| Fort Smith to Rio Linda (California) | 1,505.58 mi (2,423.00 km) |
| Fort Smith to Rio Rancho (New Mexico) | 694.62 mi (1,117.88 km) |
| Fort Smith to Rio Rico (Arizona) | 993.29 mi (1,598.54 km) |
| Fort Smith to Ripon (California) | 1,489.55 mi (2,397.20 km) |
| Fort Smith to River Edge (New Jersey) | 1,166.84 mi (1,877.85 km) |
| Fort Smith to River Falls (Wisconsin) | 663.56 mi (1,067.90 km) |
| Fort Smith to River Forest (Illinois) | 573.67 mi (923.24 km) |
| Fort Smith to River Grove (Illinois) | 574.61 mi (924.75 km) |
