| Wilkinsburg to Orbetello | 4,471.42 mi (7,196.05 km) |
| Wilkinsburg to Oria | 4,821.02 mi (7,758.68 km) |
| Wilkinsburg to Oristano | 4,450.85 mi (7,162.95 km) |
| Wilkinsburg to Orta Nova | 4,706.07 mi (7,573.69 km) |
| Wilkinsburg to Orte | 4,520.82 mi (7,275.56 km) |
| Wilkinsburg to Ortona | 4,610.46 mi (7,419.81 km) |
| Wilkinsburg to Orvieto | 4,499.33 mi (7,240.97 km) |
| Wilkinsburg to Orzinuovi | 4,309.62 mi (6,935.66 km) |
| Wilkinsburg to Osimo | 4,528.31 mi (7,287.61 km) |
| Wilkinsburg to Ospitaletto | 4,309.95 mi (6,936.19 km) |
| Wilkinsburg to Ostuni | 4,809.33 mi (7,739.88 km) |
| Wilkinsburg to Ottaviano | 4,672.57 mi (7,519.78 km) |
| Wilkinsburg to Ovada | 4,282.33 mi (6,891.74 km) |
| Wilkinsburg to Ozieri | 4,444.00 mi (7,151.92 km) |
| Wilkinsburg to Paceco | 4,701.48 mi (7,566.30 km) |
