| Cobh to Orzesze | 1,175.04 mi (1,891.04 km) |
| Cobh to Osowa | 1,116.63 mi (1,797.04 km) |
| Cobh to Ostroda | 1,180.30 mi (1,899.51 km) |
| Cobh to Ostroleka | 1,250.93 mi (2,013.18 km) |
| Cobh to Ostrow Mazowiecka | 1,267.44 mi (2,039.74 km) |
| Cobh to Ostrow Wielkopolski | 1,111.07 mi (1,788.10 km) |
| Cobh to Ostrowiec Swietokrzyski | 1,273.00 mi (2,048.70 km) |
| Cobh to Ostrzeszow | 1,119.19 mi (1,801.16 km) |
| Cobh to Oswiecim | 1,197.26 mi (1,926.81 km) |
| Cobh to Otwock | 1,249.42 mi (2,010.75 km) |
| Cobh to Ozarow Mazowiecki | 1,228.70 mi (1,977.41 km) |
| Cobh to Ozimek | 1,142.70 mi (1,838.99 km) |
| Cobh to Ozorkow | 1,168.53 mi (1,880.57 km) |
| Cobh to Pabianice | 1,176.93 mi (1,894.09 km) |
| Cobh to Parczew | 1,323.11 mi (2,129.34 km) |
