| Troy to Opole | 4,442.60 mi (7,149.68 km) |
| Troy to Orzesze | 4,492.81 mi (7,230.48 km) |
| Troy to Osowa | 4,307.77 mi (6,932.69 km) |
| Troy to Ostroda | 4,386.38 mi (7,059.20 km) |
| Troy to Ostroleka | 4,465.34 mi (7,186.28 km) |
| Troy to Ostrow Mazowiecka | 4,487.64 mi (7,222.16 km) |
| Troy to Ostrow Wielkopolski | 4,398.18 mi (7,078.19 km) |
| Troy to Ostrowiec Swietokrzyski | 4,551.18 mi (7,324.42 km) |
| Troy to Ostrzeszow | 4,411.75 mi (7,100.03 km) |
| Troy to Oswiecim | 4,514.09 mi (7,264.73 km) |
| Troy to Otwock | 4,495.90 mi (7,235.45 km) |
| Troy to Ozarow Mazowiecki | 4,476.06 mi (7,203.52 km) |
| Troy to Ozimek | 4,452.15 mi (7,165.05 km) |
| Troy to Ozorkow | 4,435.41 mi (7,138.10 km) |
| Troy to Pabianice | 4,452.01 mi (7,164.82 km) |
