| Lake Ronkonkoma to Opole | 4,159.53 mi (6,694.11 km) |
| Lake Ronkonkoma to Orzesze | 4,208.45 mi (6,772.85 km) |
| Lake Ronkonkoma to Osowa | 4,055.25 mi (6,526.30 km) |
| Lake Ronkonkoma to Ostroda | 4,132.50 mi (6,650.62 km) |
| Lake Ronkonkoma to Ostroleka | 4,211.46 mi (6,777.69 km) |
| Lake Ronkonkoma to Ostrow Mazowiecka | 4,232.78 mi (6,812.00 km) |
| Lake Ronkonkoma to Ostrow Wielkopolski | 4,122.13 mi (6,633.93 km) |
| Lake Ronkonkoma to Ostrowiec Swietokrzyski | 4,280.93 mi (6,889.49 km) |
| Lake Ronkonkoma to Ostrzeszow | 4,134.29 mi (6,653.50 km) |
| Lake Ronkonkoma to Oswiecim | 4,230.40 mi (6,808.17 km) |
| Lake Ronkonkoma to Otwock | 4,233.94 mi (6,813.88 km) |
| Lake Ronkonkoma to Ozarow Mazowiecki | 4,213.39 mi (6,780.80 km) |
| Lake Ronkonkoma to Ozimek | 4,169.98 mi (6,710.94 km) |
| Lake Ronkonkoma to Ozorkow | 4,166.20 mi (6,704.84 km) |
| Lake Ronkonkoma to Pabianice | 4,180.72 mi (6,728.22 km) |
