| Formia to Orzesze | 661.46 mi (1,064.52 km) |
| Formia to Osowa | 936.18 mi (1,506.64 km) |
| Formia to Ostroda | 907.89 mi (1,461.11 km) |
| Formia to Ostroleka | 895.45 mi (1,441.09 km) |
| Formia to Ostrow Mazowiecka | 885.85 mi (1,425.64 km) |
| Formia to Ostrow Wielkopolski | 744.38 mi (1,197.96 km) |
| Formia to Ostrowiec Swietokrzyski | 763.95 mi (1,229.46 km) |
| Formia to Ostrzeszow | 730.56 mi (1,175.73 km) |
| Formia to Oswiecim | 663.28 mi (1,067.45 km) |
| Formia to Otwock | 831.63 mi (1,338.38 km) |
| Formia to Ozarow Mazowiecki | 828.53 mi (1,333.38 km) |
| Formia to Ozimek | 686.03 mi (1,104.06 km) |
| Formia to Ozorkow | 786.09 mi (1,265.09 km) |
| Formia to Pabianice | 767.53 mi (1,235.21 km) |
| Formia to Parczew | 839.30 mi (1,350.72 km) |
