| West Mifflin to Nyon | 4,126.38 mi (6,640.77 km) |
| West Mifflin to Oberriet | 4,232.93 mi (6,812.25 km) |
| West Mifflin to Obersiggenthal | 4,175.19 mi (6,719.31 km) |
| West Mifflin to Oberwil | 4,144.10 mi (6,669.28 km) |
| West Mifflin to Oberwingert | 4,193.65 mi (6,749.03 km) |
| West Mifflin to Oftringen | 4,165.47 mi (6,703.68 km) |
| West Mifflin to Olten | 4,163.68 mi (6,700.79 km) |
| West Mifflin to Onex | 4,127.34 mi (6,642.31 km) |
| West Mifflin to Opfikon | 4,188.20 mi (6,740.26 km) |
| West Mifflin to Ostermundigen | 4,159.87 mi (6,694.66 km) |
| West Mifflin to Payerne | 4,141.38 mi (6,664.91 km) |
| West Mifflin to Pfaffikon | 4,199.29 mi (6,758.11 km) |
| West Mifflin to Plan-les-Ouates | 4,128.58 mi (6,644.31 km) |
| West Mifflin to Pratteln | 4,149.96 mi (6,678.71 km) |
| West Mifflin to Prilly | 4,136.81 mi (6,657.56 km) |
