| Ithaca to Opole | 4,210.14 mi (6,775.57 km) |
| Ithaca to Orzesze | 4,259.75 mi (6,855.41 km) |
| Ithaca to Osowa | 4,091.88 mi (6,585.25 km) |
| Ithaca to Ostroda | 4,169.91 mi (6,710.83 km) |
| Ithaca to Ostroleka | 4,249.04 mi (6,838.17 km) |
| Ithaca to Ostrow Mazowiecka | 4,270.84 mi (6,873.26 km) |
| Ithaca to Ostrow Wielkopolski | 4,169.48 mi (6,710.12 km) |
| Ithaca to Ostrowiec Swietokrzyski | 4,325.99 mi (6,962.00 km) |
| Ithaca to Ostrzeszow | 4,182.30 mi (6,730.76 km) |
| Ithaca to Oswiecim | 4,281.44 mi (6,890.31 km) |
| Ithaca to Otwock | 4,275.18 mi (6,880.23 km) |
| Ithaca to Ozarow Mazowiecki | 4,254.90 mi (6,847.60 km) |
| Ithaca to Ozimek | 4,220.21 mi (6,791.77 km) |
| Ithaca to Ozorkow | 4,210.55 mi (6,776.22 km) |
| Ithaca to Pabianice | 4,226.04 mi (6,801.15 km) |
