| Sortland to Orbetello | 1,820.74 mi (2,930.20 km) |
| Sortland to Oria | 1,950.04 mi (3,138.29 km) |
| Sortland to Oristano | 2,005.52 mi (3,227.57 km) |
| Sortland to Orta Nova | 1,890.94 mi (3,043.17 km) |
| Sortland to Orte | 1,816.21 mi (2,922.91 km) |
| Sortland to Ortona | 1,820.86 mi (2,930.39 km) |
| Sortland to Orvieto | 1,799.04 mi (2,895.28 km) |
| Sortland to Orzinuovi | 1,621.38 mi (2,609.36 km) |
| Sortland to Osimo | 1,743.57 mi (2,806.01 km) |
| Sortland to Ospitaletto | 1,610.11 mi (2,591.21 km) |
| Sortland to Ostuni | 1,933.85 mi (3,112.23 km) |
| Sortland to Ottaviano | 1,924.44 mi (3,097.08 km) |
| Sortland to Ovada | 1,679.72 mi (2,703.25 km) |
| Sortland to Ozieri | 1,956.88 mi (3,149.30 km) |
| Sortland to Paceco | 2,124.96 mi (3,419.80 km) |
