| Suwalki to Orbetello | 966.42 mi (1,555.30 km) |
| Suwalki to Oria | 971.11 mi (1,562.86 km) |
| Suwalki to Oristano | 1,185.89 mi (1,908.51 km) |
| Suwalki to Orta Nova | 942.65 mi (1,517.04 km) |
| Suwalki to Orte | 936.70 mi (1,507.48 km) |
| Suwalki to Ortona | 900.20 mi (1,448.73 km) |
| Suwalki to Orvieto | 927.47 mi (1,492.61 km) |
| Suwalki to Orzinuovi | 832.84 mi (1,340.33 km) |
| Suwalki to Osimo | 848.52 mi (1,365.56 km) |
| Suwalki to Ospitaletto | 820.24 mi (1,320.05 km) |
| Suwalki to Ostuni | 956.00 mi (1,538.54 km) |
| Suwalki to Ottaviano | 995.20 mi (1,601.61 km) |
| Suwalki to Ovada | 913.30 mi (1,469.82 km) |
| Suwalki to Ozieri | 1,134.38 mi (1,825.61 km) |
| Suwalki to Paceco | 1,216.68 mi (1,958.06 km) |
