| Firminy to Orzesze | 746.21 mi (1,200.91 km) |
| Firminy to Osowa | 884.80 mi (1,423.94 km) |
| Firminy to Ostroda | 904.28 mi (1,455.29 km) |
| Firminy to Ostroleka | 939.23 mi (1,511.55 km) |
| Firminy to Ostrow Mazowiecka | 943.38 mi (1,518.23 km) |
| Firminy to Ostrow Wielkopolski | 753.45 mi (1,212.56 km) |
| Firminy to Ostrowiec Swietokrzyski | 874.05 mi (1,406.65 km) |
| Firminy to Ostrzeszow | 750.03 mi (1,207.06 km) |
| Firminy to Oswiecim | 763.23 mi (1,228.30 km) |
| Firminy to Otwock | 899.20 mi (1,447.13 km) |
| Firminy to Ozarow Mazowiecki | 884.21 mi (1,423.00 km) |
| Firminy to Ozimek | 738.14 mi (1,187.92 km) |
| Firminy to Ozorkow | 818.93 mi (1,317.95 km) |
| Firminy to Pabianice | 812.81 mi (1,308.09 km) |
| Firminy to Parczew | 949.95 mi (1,528.80 km) |
