| East Islip to Reidsville (North Carolina) | 463.22 mi (745.49 km) |
| East Islip to Reisterstown (Maryland) | 210.85 mi (339.32 km) |
| East Islip to Rendon (Texas) | 1,440.98 mi (2,319.03 km) |
| East Islip to Reno (Nevada) | 2,436.62 mi (3,921.37 km) |
| East Islip to Renton (Washington) | 2,434.02 mi (3,917.18 km) |
| East Islip to Republic (Missouri) | 1,113.78 mi (1,792.46 km) |
| East Islip to Reston (Virginia) | 252.45 mi (406.27 km) |
| East Islip to Revere (Massachusetts) | 162.52 mi (261.56 km) |
| East Islip to Rexburg (Idaho) | 1,967.22 mi (3,165.93 km) |
| East Islip to Reynoldsburg (Ohio) | 508.46 mi (818.28 km) |
| East Islip to Rialto (California) | 2,441.81 mi (3,929.72 km) |
| East Islip to Richardson (Texas) | 1,401.04 mi (2,254.75 km) |
| East Islip to Richfield (Minnesota) | 1,055.26 mi (1,698.27 km) |
| East Islip to Richfield (Wisconsin) | 791.26 mi (1,273.42 km) |
| East Islip to Richland (Washington) | 2,308.96 mi (3,715.92 km) |
