| Wilkinsburg to Olivares | 3,848.28 mi (6,193.21 km) |
| Wilkinsburg to Olivenza | 3,762.13 mi (6,054.56 km) |
| Wilkinsburg to Olot | 4,097.19 mi (6,593.78 km) |
| Wilkinsburg to Onate | 3,848.59 mi (6,193.71 km) |
| Wilkinsburg to Onda | 4,044.92 mi (6,509.67 km) |
| Wilkinsburg to Onteniente | 4,066.94 mi (6,545.10 km) |
| Wilkinsburg to Orihuela | 4,075.77 mi (6,559.31 km) |
| Wilkinsburg to Osuna | 3,905.15 mi (6,284.73 km) |
| Wilkinsburg to Ourense | 3,618.01 mi (5,822.63 km) |
| Wilkinsburg to Oviedo | 3,682.59 mi (5,926.56 km) |
| Wilkinsburg to Paiporta | 4,055.51 mi (6,526.71 km) |
| Wilkinsburg to Pajara | 3,755.00 mi (6,043.08 km) |
| Wilkinsburg to Palafolls | 4,126.08 mi (6,640.29 km) |
| Wilkinsburg to Palafrugell | 4,136.31 mi (6,656.74 km) |
| Wilkinsburg to Palamos | 4,137.18 mi (6,658.15 km) |
