| Gaeta to Orzesze | 665.60 mi (1,071.18 km) |
| Gaeta to Osowa | 940.11 mi (1,512.95 km) |
| Gaeta to Ostroda | 911.95 mi (1,467.64 km) |
| Gaeta to Ostroleka | 899.63 mi (1,447.81 km) |
| Gaeta to Ostrow Mazowiecka | 890.05 mi (1,432.39 km) |
| Gaeta to Ostrow Wielkopolski | 748.36 mi (1,204.38 km) |
| Gaeta to Ostrowiec Swietokrzyski | 768.20 mi (1,236.30 km) |
| Gaeta to Ostrzeszow | 734.57 mi (1,182.18 km) |
| Gaeta to Oswiecim | 667.46 mi (1,074.17 km) |
| Gaeta to Otwock | 835.83 mi (1,345.14 km) |
| Gaeta to Ozarow Mazowiecki | 832.69 mi (1,340.09 km) |
| Gaeta to Ozimek | 690.10 mi (1,110.61 km) |
| Gaeta to Ozorkow | 790.18 mi (1,271.67 km) |
| Gaeta to Pabianice | 771.64 mi (1,241.83 km) |
| Gaeta to Parczew | 843.57 mi (1,357.60 km) |
