| Gland to Opole | 607.91 mi (978.34 km) |
| Gland to Orzesze | 627.99 mi (1,010.65 km) |
| Gland to Osowa | 768.99 mi (1,237.57 km) |
| Gland to Ostroda | 786.42 mi (1,265.62 km) |
| Gland to Ostroleka | 820.39 mi (1,320.29 km) |
| Gland to Ostrow Mazowiecka | 824.40 mi (1,326.75 km) |
| Gland to Ostrow Wielkopolski | 634.53 mi (1,021.18 km) |
| Gland to Ostrowiec Swietokrzyski | 755.62 mi (1,216.05 km) |
| Gland to Ostrzeszow | 631.02 mi (1,015.53 km) |
| Gland to Oswiecim | 645.32 mi (1,038.54 km) |
| Gland to Otwock | 780.17 mi (1,255.56 km) |
| Gland to Ozarow Mazowiecki | 765.18 mi (1,231.44 km) |
| Gland to Ozimek | 619.28 mi (996.64 km) |
| Gland to Ozorkow | 699.95 mi (1,126.46 km) |
| Gland to Pabianice | 693.77 mi (1,116.51 km) |
