| Wantagh to Orbetello | 4,185.50 mi (6,735.92 km) |
| Wantagh to Oria | 4,538.53 mi (7,304.06 km) |
| Wantagh to Oristano | 4,154.63 mi (6,686.23 km) |
| Wantagh to Orta Nova | 4,423.12 mi (7,118.32 km) |
| Wantagh to Orte | 4,236.52 mi (6,818.02 km) |
| Wantagh to Ortona | 4,328.58 mi (6,966.18 km) |
| Wantagh to Orvieto | 4,215.41 mi (6,784.05 km) |
| Wantagh to Orzinuovi | 4,031.15 mi (6,487.51 km) |
| Wantagh to Osimo | 4,248.54 mi (6,837.36 km) |
| Wantagh to Ospitaletto | 4,032.16 mi (6,489.14 km) |
| Wantagh to Ostuni | 4,527.42 mi (7,286.18 km) |
| Wantagh to Ottaviano | 4,386.54 mi (7,059.45 km) |
| Wantagh to Ovada | 3,999.81 mi (6,437.07 km) |
| Wantagh to Ozieri | 4,150.08 mi (6,678.91 km) |
| Wantagh to Paceco | 4,405.35 mi (7,089.73 km) |
