| East Islip to River Ridge (Louisiana) | 1,210.73 mi (1,948.47 km) |
| East Islip to Riverbank (California) | 2,532.96 mi (4,076.40 km) |
| East Islip to Riverdale (Georgia) | 790.66 mi (1,272.44 km) |
| East Islip to Riverdale (Illinois) | 753.15 mi (1,212.08 km) |
| East Islip to Riverside (California) | 2,447.18 mi (3,938.35 km) |
| East Islip to Riverside (Ohio) | 579.89 mi (933.24 km) |
| East Islip to Riverton (Utah) | 2,016.78 mi (3,245.70 km) |
| East Islip to Riverton (Wyoming) | 1,805.82 mi (2,906.18 km) |
| East Islip to Riverview (Florida) | 1,030.89 mi (1,659.05 km) |
| East Islip to Riverview (Michigan) | 527.50 mi (848.94 km) |
| East Islip to Riviera Beach (Florida) | 1,040.64 mi (1,674.75 km) |
| East Islip to Riviera Beach (Maryland) | 207.22 mi (333.48 km) |
| East Islip to Roanoke (Virginia) | 434.44 mi (699.16 km) |
| East Islip to Roanoke Rapids (North Carolina) | 381.39 mi (613.79 km) |
| East Islip to Robbinsdale (Minnesota) | 1,059.30 mi (1,704.77 km) |
