| West Mifflin to Opole | 4,436.88 mi (7,140.46 km) |
| West Mifflin to Orzesze | 4,486.55 mi (7,220.40 km) |
| West Mifflin to Osowa | 4,316.66 mi (6,946.99 km) |
| West Mifflin to Ostroda | 4,394.80 mi (7,072.75 km) |
| West Mifflin to Ostroleka | 4,473.93 mi (7,200.10 km) |
| West Mifflin to Ostrow Mazowiecka | 4,495.81 mi (7,235.30 km) |
| West Mifflin to Ostrow Wielkopolski | 4,395.84 mi (7,074.42 km) |
| West Mifflin to Ostrowiec Swietokrzyski | 4,552.01 mi (7,325.76 km) |
| West Mifflin to Ostrzeszow | 4,408.75 mi (7,095.19 km) |
| West Mifflin to Oswiecim | 4,508.21 mi (7,255.26 km) |
| West Mifflin to Otwock | 4,500.66 mi (7,243.11 km) |
| West Mifflin to Ozarow Mazowiecki | 4,480.43 mi (7,210.56 km) |
| West Mifflin to Ozimek | 4,446.90 mi (7,156.59 km) |
| West Mifflin to Ozorkow | 4,436.51 mi (7,139.87 km) |
| West Mifflin to Pabianice | 4,452.13 mi (7,165.01 km) |
