| Kopavogur to Orzesze | 1,758.80 mi (2,830.52 km) |
| Kopavogur to Osowa | 1,540.48 mi (2,479.17 km) |
| Kopavogur to Ostroda | 1,619.16 mi (2,605.79 km) |
| Kopavogur to Ostroleka | 1,697.16 mi (2,731.31 km) |
| Kopavogur to Ostrow Mazowiecka | 1,719.94 mi (2,767.97 km) |
| Kopavogur to Ostrow Wielkopolski | 1,654.88 mi (2,663.28 km) |
| Kopavogur to Ostrowiec Swietokrzyski | 1,797.03 mi (2,892.04 km) |
| Kopavogur to Ostrzeszow | 1,670.04 mi (2,687.66 km) |
| Kopavogur to Oswiecim | 1,778.42 mi (2,862.09 km) |
| Kopavogur to Otwock | 1,734.16 mi (2,790.86 km) |
| Kopavogur to Ozarow Mazowiecki | 1,715.32 mi (2,760.54 km) |
| Kopavogur to Ozimek | 1,716.09 mi (2,761.79 km) |
| Kopavogur to Ozorkow | 1,682.46 mi (2,707.66 km) |
| Kopavogur to Pabianice | 1,701.17 mi (2,737.78 km) |
| Kopavogur to Parczew | 1,805.83 mi (2,906.20 km) |
