| Kercem to Orzesze | 1,000.70 mi (1,610.47 km) |
| Kercem to Osowa | 1,286.46 mi (2,070.36 km) |
| Kercem to Ostroda | 1,251.06 mi (2,013.38 km) |
| Kercem to Ostroleka | 1,229.03 mi (1,977.94 km) |
| Kercem to Ostrow Mazowiecka | 1,216.58 mi (1,957.89 km) |
| Kercem to Ostrow Wielkopolski | 1,092.83 mi (1,758.74 km) |
| Kercem to Ostrowiec Swietokrzyski | 1,088.68 mi (1,752.06 km) |
| Kercem to Ostrzeszow | 1,078.00 mi (1,734.87 km) |
| Kercem to Oswiecim | 998.86 mi (1,607.51 km) |
| Kercem to Otwock | 1,163.02 mi (1,871.71 km) |
| Kercem to Ozarow Mazowiecki | 1,163.00 mi (1,871.67 km) |
| Kercem to Ozimek | 1,030.23 mi (1,657.99 km) |
| Kercem to Ozorkow | 1,127.99 mi (1,815.32 km) |
| Kercem to Pabianice | 1,107.95 mi (1,783.08 km) |
| Kercem to Parczew | 1,158.22 mi (1,863.98 km) |
