| Slidell to Ridgefield Park (New Jersey) | 1,144.70 mi (1,842.21 km) |
| Slidell to Ridgeland (Mississippi) | 149.07 mi (239.91 km) |
| Slidell to Ridgewood (New Jersey) | 1,145.79 mi (1,843.97 km) |
| Slidell to Rifle (Colorado) | 1,199.51 mi (1,930.42 km) |
| Slidell to Rincon (Georgia) | 523.18 mi (841.97 km) |
| Slidell to Ringwood (New Jersey) | 1,143.91 mi (1,840.94 km) |
| Slidell to Río Grande (Puerto Rico) | 1,711.85 mi (2,754.95 km) |
| Slidell to Rio Grande City (Texas) | 612.13 mi (985.13 km) |
| Slidell to Rio Linda (California) | 1,883.17 mi (3,030.67 km) |
| Slidell to Rio Rancho (New Mexico) | 1,039.82 mi (1,673.42 km) |
| Slidell to Rio Rico (Arizona) | 1,258.12 mi (2,024.75 km) |
| Slidell to Ripon (California) | 1,857.95 mi (2,990.09 km) |
| Slidell to River Edge (New Jersey) | 1,146.76 mi (1,845.53 km) |
| Slidell to River Falls (Wisconsin) | 1,018.62 mi (1,639.31 km) |
| Slidell to River Forest (Illinois) | 809.31 mi (1,302.46 km) |
