| Fort Smith to Roy (Utah) | 1,037.62 mi (1,669.88 km) |
| Fort Smith to Royal Kunia (Hawaii) | 3,922.15 mi (6,312.09 km) |
| Fort Smith to Royal Oak (Michigan) | 778.59 mi (1,253.03 km) |
| Fort Smith to Royal Palm Beach (Florida) | 1,026.91 mi (1,652.65 km) |
| Fort Smith to Royse City (Texas) | 198.21 mi (318.99 km) |
| Fort Smith to Ruskin (Florida) | 878.64 mi (1,414.03 km) |
| Fort Smith to Russellville (Alabama) | 380.63 mi (612.56 km) |
| Fort Smith to Russellville (Arkansas) | 69.60 mi (112.01 km) |
| Fort Smith to Ruston (Louisiana) | 218.50 mi (351.63 km) |
| Fort Smith to Rutherford (New Jersey) | 1,161.82 mi (1,869.77 km) |
| Fort Smith to Rutland (Vermont) | 1,270.47 mi (2,044.62 km) |
| Fort Smith to Sabana Grande (Puerto Rico) | 2,057.73 mi (3,311.60 km) |
| Fort Smith to Sachse (Texas) | 207.19 mi (333.43 km) |
| Fort Smith to Saco (Maine) | 1,389.00 mi (2,235.39 km) |
| Fort Smith to Sacramento (California) | 1,507.00 mi (2,425.28 km) |
