| Wilkinsburg to Oerlinghausen | 4,040.08 mi (6,501.88 km) |
| Wilkinsburg to Oestrich-Winkel | 4,076.26 mi (6,560.10 km) |
| Wilkinsburg to Offenburg | 4,123.09 mi (6,635.47 km) |
| Wilkinsburg to Oftersheim | 4,119.66 mi (6,629.95 km) |
| Wilkinsburg to Ohrdruf | 4,155.52 mi (6,687.66 km) |
| Wilkinsburg to Ohringen | 4,161.55 mi (6,697.36 km) |
| Wilkinsburg to Olbernhau | 4,259.97 mi (6,855.76 km) |
| Wilkinsburg to Olching | 4,267.67 mi (6,868.16 km) |
| Wilkinsburg to Oldenburg | 3,986.95 mi (6,416.37 km) |
| Wilkinsburg to Oldenburg in Holstein | 4,049.19 mi (6,516.54 km) |
| Wilkinsburg to Olfen | 3,998.74 mi (6,435.36 km) |
| Wilkinsburg to Olpe | 4,037.69 mi (6,498.03 km) |
| Wilkinsburg to Olsberg | 4,052.36 mi (6,521.65 km) |
| Wilkinsburg to Oranienburg | 4,184.75 mi (6,734.70 km) |
| Wilkinsburg to Ortenberg | 4,106.18 mi (6,608.26 km) |
