| Drogheda to Orzesze | 1,091.24 mi (1,756.17 km) |
| Drogheda to Osowa | 1,002.38 mi (1,613.18 km) |
| Drogheda to Ostroda | 1,070.19 mi (1,722.30 km) |
| Drogheda to Ostroleka | 1,143.84 mi (1,840.83 km) |
| Drogheda to Ostrow Mazowiecka | 1,161.75 mi (1,869.66 km) |
| Drogheda to Ostrow Wielkopolski | 1,017.31 mi (1,637.20 km) |
| Drogheda to Ostrowiec Swietokrzyski | 1,179.81 mi (1,898.72 km) |
| Drogheda to Ostrzeszow | 1,027.05 mi (1,652.89 km) |
| Drogheda to Oswiecim | 1,113.49 mi (1,791.99 km) |
| Drogheda to Otwock | 1,148.63 mi (1,848.55 km) |
| Drogheda to Ozarow Mazowiecki | 1,127.71 mi (1,814.87 km) |
| Drogheda to Ozimek | 1,055.83 mi (1,699.20 km) |
| Drogheda to Ozorkow | 1,070.77 mi (1,723.24 km) |
| Drogheda to Pabianice | 1,081.31 mi (1,740.21 km) |
| Drogheda to Parczew | 1,223.74 mi (1,969.42 km) |
