| Slidell to Rowlett (Texas) | 437.46 mi (704.02 km) |
| Slidell to Roy (Utah) | 1,451.29 mi (2,335.63 km) |
| Slidell to Royal Kunia (Hawaii) | 4,227.45 mi (6,803.43 km) |
| Slidell to Royal Oak (Michigan) | 920.51 mi (1,481.42 km) |
| Slidell to Royal Palm Beach (Florida) | 630.76 mi (1,015.12 km) |
| Slidell to Royse City (Texas) | 426.80 mi (686.87 km) |
| Slidell to Ruskin (Florida) | 479.20 mi (771.20 km) |
| Slidell to Russellville (Alabama) | 315.02 mi (506.98 km) |
| Slidell to Russellville (Arkansas) | 395.84 mi (637.04 km) |
| Slidell to Ruston (Louisiana) | 228.79 mi (368.20 km) |
| Slidell to Rutherford (New Jersey) | 1,139.68 mi (1,834.14 km) |
| Slidell to Rutland (Vermont) | 1,302.04 mi (2,095.44 km) |
| Slidell to Sabana Grande (Puerto Rico) | 1,662.03 mi (2,674.78 km) |
| Slidell to Sachse (Texas) | 440.61 mi (709.10 km) |
| Slidell to Saco (Maine) | 1,399.88 mi (2,252.89 km) |
