| Dun Dealgan to Orzesze | 1,094.54 mi (1,761.49 km) |
| Dun Dealgan to Osowa | 1,000.13 mi (1,609.56 km) |
| Dun Dealgan to Ostroda | 1,068.73 mi (1,719.95 km) |
| Dun Dealgan to Ostroleka | 1,142.90 mi (1,839.33 km) |
| Dun Dealgan to Ostrow Mazowiecka | 1,161.08 mi (1,868.57 km) |
| Dun Dealgan to Ostrow Wielkopolski | 1,019.01 mi (1,639.94 km) |
| Dun Dealgan to Ostrowiec Swietokrzyski | 1,181.42 mi (1,901.31 km) |
| Dun Dealgan to Ostrzeszow | 1,029.03 mi (1,656.07 km) |
| Dun Dealgan to Oswiecim | 1,116.78 mi (1,797.28 km) |
| Dun Dealgan to Otwock | 1,148.90 mi (1,848.98 km) |
| Dun Dealgan to Ozarow Mazowiecki | 1,127.96 mi (1,815.28 km) |
| Dun Dealgan to Ozimek | 1,058.68 mi (1,703.78 km) |
| Dun Dealgan to Ozorkow | 1,071.69 mi (1,724.72 km) |
| Dun Dealgan to Pabianice | 1,082.60 mi (1,742.28 km) |
| Dun Dealgan to Parczew | 1,224.20 mi (1,970.16 km) |
