| Merced to Opole | 5,854.86 mi (9,422.48 km) |
| Merced to Orzesze | 5,904.13 mi (9,501.78 km) |
| Merced to Osowa | 5,646.29 mi (9,086.83 km) |
| Merced to Ostroda | 5,720.73 mi (9,206.62 km) |
| Merced to Ostroleka | 5,791.64 mi (9,320.75 km) |
| Merced to Ostrow Mazowiecka | 5,814.51 mi (9,357.55 km) |
| Merced to Ostrow Wielkopolski | 5,794.64 mi (9,325.57 km) |
| Merced to Ostrowiec Swietokrzyski | 5,916.46 mi (9,521.63 km) |
| Merced to Ostrzeszow | 5,810.93 mi (9,351.79 km) |
| Merced to Oswiecim | 5,921.58 mi (9,529.85 km) |
| Merced to Otwock | 5,842.52 mi (9,402.63 km) |
| Merced to Ozarow Mazowiecki | 5,826.69 mi (9,377.16 km) |
| Merced to Ozimek | 5,860.96 mi (9,432.30 km) |
| Merced to Ozorkow | 5,808.84 mi (9,348.42 km) |
| Merced to Pabianice | 5,829.79 mi (9,382.14 km) |
