| Ronkonkoma to Ramsey (New Jersey) | 56.14 mi (90.35 km) |
| Ronkonkoma to Rancho Cordova (California) | 2,531.23 mi (4,073.63 km) |
| Ronkonkoma to Rancho Cucamonga (California) | 2,453.78 mi (3,948.97 km) |
| Ronkonkoma to Rancho Mirage (California) | 2,404.56 mi (3,869.76 km) |
| Ronkonkoma to Rancho Palos Verdes (California) | 2,505.91 mi (4,032.87 km) |
| Ronkonkoma to Rancho San Diego (California) | 2,459.76 mi (3,958.60 km) |
| Ronkonkoma to Rancho Santa Margarita (California) | 2,469.56 mi (3,974.38 km) |
| Ronkonkoma to Randallstown (Maryland) | 218.09 mi (350.99 km) |
| Ronkonkoma to Rantoul (Illinois) | 788.84 mi (1,269.51 km) |
| Ronkonkoma to Rapid City (South Dakota) | 1,542.38 mi (2,482.22 km) |
| Ronkonkoma to Ravenna (Ohio) | 423.97 mi (682.32 km) |
| Ronkonkoma to Raymondville (Texas) | 1,719.52 mi (2,767.31 km) |
| Ronkonkoma to Raymore (Missouri) | 1,137.96 mi (1,831.37 km) |
| Ronkonkoma to Raytown (Missouri) | 1,135.18 mi (1,826.90 km) |
| Ronkonkoma to Reading (Ohio) | 607.85 mi (978.23 km) |
