| Ronkonkoma to Ukiah (California) | 2,617.84 mi (4,213.00 km) |
| Ronkonkoma to Union (Missouri) | 963.12 mi (1,549.99 km) |
| Ronkonkoma to Union City (California) | 2,593.17 mi (4,173.30 km) |
| Ronkonkoma to Union City (Georgia) | 801.57 mi (1,290.00 km) |
| Ronkonkoma to Union City (New Jersey) | 47.55 mi (76.53 km) |
| Ronkonkoma to Union City (Tennessee) | 909.66 mi (1,463.96 km) |
| Ronkonkoma to Union Hill-Novelty Hill (Washington) | 2,425.06 mi (3,902.75 km) |
| Ronkonkoma to Union Park (Florida) | 961.90 mi (1,548.02 km) |
| Ronkonkoma to Uniondale (New York) | 25.31 mi (40.73 km) |
| Ronkonkoma to Universal City (Texas) | 1,612.39 mi (2,594.89 km) |
| Ronkonkoma to University (Florida) | 1,025.47 mi (1,650.33 km) |
| Ronkonkoma to University City (Missouri) | 924.57 mi (1,487.95 km) |
| Ronkonkoma to University Heights (Ohio) | 439.99 mi (708.09 km) |
| Ronkonkoma to University of California-Santa Barbara (California) | 2,564.96 mi (4,127.90 km) |
| Ronkonkoma to University Park (Texas) | 1,413.96 mi (2,275.55 km) |
