| Chios to Orzesze | 891.01 mi (1,433.95 km) |
| Chios to Osowa | 1,166.21 mi (1,876.83 km) |
| Chios to Ostroda | 1,098.58 mi (1,768.00 km) |
| Chios to Ostroleka | 1,038.40 mi (1,671.14 km) |
| Chios to Ostrow Mazowiecka | 1,017.23 mi (1,637.07 km) |
| Chios to Ostrow Wielkopolski | 1,001.81 mi (1,612.25 km) |
| Chios to Ostrowiec Swietokrzyski | 898.08 mi (1,445.32 km) |
| Chios to Ostrzeszow | 985.20 mi (1,585.53 km) |
| Chios to Oswiecim | 874.85 mi (1,407.94 km) |
| Chios to Otwock | 978.18 mi (1,574.23 km) |
| Chios to Ozarow Mazowiecki | 990.41 mi (1,593.91 km) |
| Chios to Ozimek | 933.96 mi (1,503.07 km) |
| Chios to Ozorkow | 995.75 mi (1,602.50 km) |
| Chios to Pabianice | 973.87 mi (1,567.29 km) |
| Chios to Parczew | 929.81 mi (1,496.39 km) |
