Ciao!!! Grazie per la risposta! Ho fatto così:
\begin{longtable}[c]{llrr}
\kill
\caption{Country List}\\
\toprule
\endfirsthead
\caption[]{– continued}\\
\toprule
\endhead
\hline
\emph{Continued on next page} \\
\endfoot
\bottomrule
\endlastfoot
AFG & Afghanistan &LBN & Lebanon\\
AGO & Angola &LBR & Liberia\\
ALB & Albania &LBY & Libya\\
AND & Andorra &LCA & St Lucia\\
ARE & United Arab Emirates &LKA & Sri Lanka\\
ARG & Argentina &LSO & Lesotho\\
ARM & Armenia <U & Lithuania\\
ATG & Antigua and Barbuda &LUX & Luxembourg\\
AUS & Australia &LVA & Latvia\\
AUT & Austria &MCO & Monaco\\
AZE & Azerbaijan &MDA & Moldova\\
BDI & Burundi &MDG & Madagascar\\
BEL & Belgium &MDV & Maldives\\
BEN & Benin &MEX & Mexico\\
BFA & Burkina Faso &MHL & Marshall Islands\\
BGD & Bangladesh &MKD & Macedonia\\
BGR & Bulgaria &MLI & Mali\\
BHR & Bahrain &MLT & Malta\\
BHS & Bahamas &MMR & Myanmar\\
BIH & Bosnia and Herzegovina &MNE & Montenegro\\
BLR & Belarus &MNG & Mongolia\\
BLZ & Belize &MOZ & Mozambique\\
BOL & Bolivia &MRT & Mauritania\\
BRA & Brazil &MUS & Mauritius\\
BRB & Barbados &MWI & Malawi\\
BRN & Brunei &MWI & Malawi\\
BTN & Bhutan &NAM & Namibia\\
BWA & Botswana &NER & Niger\\
CAF & Central African Republic &NGA & Nigeria\\
CAN & Canada &NIC & Nicaragua\\
CHE & Switzerland &NLD & Netherlands\\
CHL & Chile &NOR & Norway\\
CHN & China &NPL & Nepal\\
CIV & Cote d’Ivoire &NRU & Nauru\\
CMR & Cameroon &NZL & New Zealand\\
COD & Congo, Democratic Republic &OMN & Oman\\
COG & Congo &PAK & Pakistan\\
COL & Colombia &PAN & Panama\\
COM & Comoros &PER & Peru\\
CPV & Cape Verde &PHL & Philippines\\
CRI & Costa Rica &PLW & Palau\\
CUB & Cuba &PNG & Papua New Guinea\\
CYP & Cyprus &POL & Poland\\
CZE & Czech Republic &PRK & Korea, North\\
DEU & Germany &PRT & Portugal\\
DJI & Djibouti &PRY & Paraguay\\
DMA & Dominica &QAT & Qatar\\
DNK & Denmark &ROU & Romania\\
DOM & Dominican Republic &RUS & Russia\\
DZA & Algeria &RWA & Rwanda\\
ECU & Ecuador &SAU & Saudi Arabia\\
EGY & Egypt &SCG & Serbia and Montenegro\\
ERI & Eritrea &SDN & Sudan\\
ESP & Spain &SEN & Senegal\\
EST & Estonia &SGP & Singapore\\
ETH & Ethiopia &SLB & Solomon Islands\\
FIN & Finland &SLE & Sierra Leone\\
FJI & Fiji &SLV & El Salvador\\
FRA & France &SOM & Somalia\\
FSM & Micronesia &SRB & Serbia\\
GAB & Gabon &STP & Sao Tome and Principe\\
GBR & United Kingdom &SUR & Suriname\\
GEO & Georgia &SVK & Slovakia\\
GHA & Ghana &SVN & Slovenia\\
GIN & Guinea &SWE & Sweden\\
GMB & Gambia &SWZ & Swaziland\\
GNB & Guinea-Bissau &SYC & Seychelles\\
GNQ & Equatorial Guinea &SYR & Syria\\
GRC & Greece &TCD & Chad\\
GRD & Grenada &TGO & Togo\\
GTM & Guatemala &THA & Thailand\\
GUY & Guyana &TJK & Tajikistan\\
HND & Honduras &TKM & Turkmenistan\\
HRV & Croatia &TLS & Timor-Leste\\
HTI & Haiti &TON & Tonga\\
HUN & Hungary &TTO & Trinidad and Tobago\\
IDN & Indonesia &TUN & Tunisia\\
IND & India &TUR & Turkey\\
IRL & Ireland &TUV & Tuvalu\\
IRN & Iran &TWN & Taiwan\\
IRQ & Iraq &TZA & Tanzania\\
ISL & Iceland &UGA & Uganda\\
ISR & Israel &UKR & Ukraine\\
ITA & Italy &URY & Uruguay\\
JAM & Jamaica &USA & United States\\
JOR & Jordan &UZB & Uzbekistan\\
JPN & Japan &VCT & St Vincent and the Grenadines\\
KAZ & Kazakhstan &VEN & Venezuela\\
KEN & Kenya &VNM & Vietnam\\
KGZ & Kyrgyzstan &VUT & Vanuatu\\
KHM & Cambodia &WSM & Samoa\\
KIR & Kiribati &YEM & Yemen\\
KNA & St Kitts and Nevis &ZAF & South Africa\\
KOR & Korea, South &ZMB & Zambia\\
KWT & Kuwait &ZWE & Zimbabwe\\
LAO & Laos
\end{longtable}
ed è venuta una cosa abbastanza decente. Solo, mi sfora a destra, viste le impostazioni? Quali sono e dove vanno messi i comandi per mantenere tutto entro la pagina?
Grazie in anticipo,
Emanuele.