| Douarnenez to Orzesze | 1,049.01 mi (1,688.22 km) |
| Douarnenez to Osowa | 1,072.44 mi (1,725.92 km) |
| Douarnenez to Ostroda | 1,120.79 mi (1,803.74 km) |
| Douarnenez to Ostroleka | 1,179.65 mi (1,898.46 km) |
| Douarnenez to Ostrow Mazowiecka | 1,191.57 mi (1,917.65 km) |
| Douarnenez to Ostrow Wielkopolski | 1,012.09 mi (1,628.80 km) |
| Douarnenez to Ostrowiec Swietokrzyski | 1,164.69 mi (1,874.38 km) |
| Douarnenez to Ostrzeszow | 1,015.75 mi (1,634.69 km) |
| Douarnenez to Oswiecim | 1,070.10 mi (1,722.16 km) |
| Douarnenez to Otwock | 1,161.31 mi (1,868.94 km) |
| Douarnenez to Ozarow Mazowiecki | 1,142.06 mi (1,837.97 km) |
| Douarnenez to Ozimek | 1,025.40 mi (1,650.23 km) |
| Douarnenez to Ozorkow | 1,076.47 mi (1,732.42 km) |
| Douarnenez to Pabianice | 1,079.05 mi (1,736.56 km) |
| Douarnenez to Parczew | 1,228.24 mi (1,976.66 km) |
