| Penafiel to Opole | 1,408.83 mi (2,267.29 km) |
| Penafiel to Orzesze | 1,433.34 mi (2,306.73 km) |
| Penafiel to Osowa | 1,525.81 mi (2,455.55 km) |
| Penafiel to Ostroda | 1,560.94 mi (2,512.10 km) |
| Penafiel to Ostroleka | 1,607.62 mi (2,587.21 km) |
| Penafiel to Ostrow Mazowiecka | 1,615.10 mi (2,599.26 km) |
| Penafiel to Ostrow Wielkopolski | 1,425.89 mi (2,294.74 km) |
| Penafiel to Ostrowiec Swietokrzyski | 1,559.55 mi (2,509.85 km) |
| Penafiel to Ostrzeszow | 1,425.19 mi (2,293.62 km) |
| Penafiel to Oswiecim | 1,451.59 mi (2,336.11 km) |
| Penafiel to Otwock | 1,575.68 mi (2,535.81 km) |
| Penafiel to Ozarow Mazowiecki | 1,558.83 mi (2,508.69 km) |
| Penafiel to Ozimek | 1,420.66 mi (2,286.33 km) |
| Penafiel to Ozorkow | 1,492.28 mi (2,401.59 km) |
| Penafiel to Pabianice | 1,489.39 mi (2,396.94 km) |
