| Altoona to Opole | 4,373.92 mi (7,039.15 km) |
| Altoona to Orzesze | 4,423.45 mi (7,118.86 km) |
| Altoona to Osowa | 4,257.08 mi (6,851.11 km) |
| Altoona to Ostroda | 4,335.06 mi (6,976.61 km) |
| Altoona to Ostroleka | 4,414.19 mi (7,103.95 km) |
| Altoona to Ostrow Mazowiecka | 4,435.96 mi (7,138.98 km) |
| Altoona to Ostrow Wielkopolski | 4,333.65 mi (6,974.34 km) |
| Altoona to Ostrowiec Swietokrzyski | 4,490.45 mi (7,226.68 km) |
| Altoona to Ostrzeszow | 4,346.40 mi (6,994.86 km) |
| Altoona to Oswiecim | 4,445.18 mi (7,153.82 km) |
| Altoona to Otwock | 4,440.02 mi (7,145.52 km) |
| Altoona to Ozarow Mazowiecki | 4,419.71 mi (7,112.84 km) |
| Altoona to Ozimek | 4,384.04 mi (7,055.43 km) |
| Altoona to Ozorkow | 4,375.06 mi (7,040.99 km) |
| Altoona to Pabianice | 4,390.46 mi (7,065.76 km) |
