| Ronkonkoma to Owosso (Michigan) | 587.68 mi (945.78 km) |
| Ronkonkoma to Oxford (Alabama) | 858.70 mi (1,381.94 km) |
| Ronkonkoma to Oxford (Mississippi) | 1,000.43 mi (1,610.04 km) |
| Ronkonkoma to Oxford (Ohio) | 619.67 mi (997.27 km) |
| Ronkonkoma to Oxnard (California) | 2,535.96 mi (4,081.23 km) |
| Ronkonkoma to Oxon Hill (Maryland) | 247.18 mi (397.80 km) |
| Ronkonkoma to Ozark (Alabama) | 950.00 mi (1,528.88 km) |
| Ronkonkoma to Ozark (Missouri) | 1,108.25 mi (1,783.56 km) |
| Ronkonkoma to Pace (Florida) | 1,053.84 mi (1,695.99 km) |
| Ronkonkoma to Pacific Grove (California) | 2,612.98 mi (4,205.18 km) |
| Ronkonkoma to Pacifica (California) | 2,616.54 mi (4,210.92 km) |
| Ronkonkoma to Paducah (Kentucky) | 871.64 mi (1,402.77 km) |
| Ronkonkoma to Pahrump (Nevada) | 2,316.09 mi (3,727.38 km) |
| Ronkonkoma to Painesville (Ohio) | 426.78 mi (686.84 km) |
| Ronkonkoma to Palatine (Illinois) | 776.77 mi (1,250.09 km) |
