| Irondale to Opole | 5,035.85 mi (8,104.42 km) |
| Irondale to Orzesze | 5,085.41 mi (8,184.18 km) |
| Irondale to Osowa | 4,916.84 mi (7,912.89 km) |
| Irondale to Ostroda | 4,994.97 mi (8,038.63 km) |
| Irondale to Ostroleka | 5,074.11 mi (8,165.99 km) |
| Irondale to Ostrow Mazowiecka | 5,095.98 mi (8,201.19 km) |
| Irondale to Ostrow Wielkopolski | 4,995.31 mi (8,039.18 km) |
| Irondale to Ostrowiec Swietokrzyski | 5,151.79 mi (8,291.01 km) |
| Irondale to Ostrzeszow | 5,008.13 mi (8,059.80 km) |
| Irondale to Oswiecim | 5,107.12 mi (8,219.12 km) |
| Irondale to Otwock | 5,100.73 mi (8,208.83 km) |
| Irondale to Ozarow Mazowiecki | 5,080.48 mi (8,176.25 km) |
| Irondale to Ozimek | 5,045.94 mi (8,120.66 km) |
| Irondale to Ozorkow | 5,036.33 mi (8,105.19 km) |
| Irondale to Pabianice | 5,051.86 mi (8,130.18 km) |
