| Diyadin to Opole | 1,460.80 mi (2,350.93 km) |
| Diyadin to Orzesze | 1,414.18 mi (2,275.90 km) |
| Diyadin to Osowa | 1,556.30 mi (2,504.62 km) |
| Diyadin to Ostroda | 1,478.35 mi (2,379.17 km) |
| Diyadin to Ostroleka | 1,399.23 mi (2,251.85 km) |
| Diyadin to Ostrow Mazowiecka | 1,377.56 mi (2,216.97 km) |
| Diyadin to Ostrow Wielkopolski | 1,491.83 mi (2,400.87 km) |
| Diyadin to Ostrowiec Swietokrzyski | 1,330.90 mi (2,141.87 km) |
| Diyadin to Ostrzeszow | 1,480.76 mi (2,383.06 km) |
| Diyadin to Oswiecim | 1,391.91 mi (2,240.06 km) |
| Diyadin to Otwock | 1,375.50 mi (2,213.66 km) |
| Diyadin to Ozarow Mazowiecki | 1,396.08 mi (2,246.78 km) |
| Diyadin to Ozimek | 1,449.60 mi (2,332.91 km) |
| Diyadin to Ozorkow | 1,444.60 mi (2,324.85 km) |
| Diyadin to Pabianice | 1,431.00 mi (2,302.98 km) |
