| Ronkonkoma to Nymburk | 4,065.32 mi (6,542.50 km) |
| Ronkonkoma to Olomouc | 4,171.23 mi (6,712.95 km) |
| Ronkonkoma to Opava | 4,184.87 mi (6,734.90 km) |
| Ronkonkoma to Orlova | 4,208.37 mi (6,772.72 km) |
| Ronkonkoma to Ostrava | 4,203.39 mi (6,764.70 km) |
| Ronkonkoma to Ostrov | 3,978.92 mi (6,403.45 km) |
| Ronkonkoma to Otrokovice | 4,195.29 mi (6,751.67 km) |
| Ronkonkoma to Pardubice | 4,098.95 mi (6,596.62 km) |
| Ronkonkoma to Pelhrimov | 4,097.04 mi (6,593.54 km) |
| Ronkonkoma to Pisek | 4,058.31 mi (6,531.22 km) |
| Ronkonkoma to Plzen | 4,013.70 mi (6,459.42 km) |
| Ronkonkoma to Podebrady | 4,069.75 mi (6,549.63 km) |
| Ronkonkoma to Policka | 4,128.67 mi (6,644.45 km) |
| Ronkonkoma to Prachatice | 4,061.87 mi (6,536.94 km) |
| Ronkonkoma to Prague | 4,044.17 mi (6,508.46 km) |
