| Festus to Opole | 4,921.33 mi (7,920.11 km) |
| Festus to Orzesze | 4,971.68 mi (8,001.15 km) |
| Festus to Osowa | 4,780.36 mi (7,693.24 km) |
| Festus to Ostroda | 4,859.08 mi (7,819.94 km) |
| Festus to Ostroleka | 4,937.84 mi (7,946.68 km) |
| Festus to Ostrow Mazowiecka | 4,960.31 mi (7,982.85 km) |
| Festus to Ostrow Wielkopolski | 4,875.65 mi (7,846.61 km) |
| Festus to Ostrowiec Swietokrzyski | 5,027.16 mi (8,090.43 km) |
| Festus to Ostrzeszow | 4,889.47 mi (7,868.85 km) |
| Festus to Oswiecim | 4,992.81 mi (8,035.15 km) |
| Festus to Otwock | 4,970.19 mi (7,998.75 km) |
| Festus to Ozarow Mazowiecki | 4,950.56 mi (7,967.15 km) |
| Festus to Ozimek | 4,930.70 mi (7,935.19 km) |
| Festus to Ozorkow | 4,911.42 mi (7,904.16 km) |
| Festus to Pabianice | 4,928.42 mi (7,931.52 km) |
