| River Ridge to Roy (Utah) | 1,444.59 mi (2,324.85 km) |
| River Ridge to Royal Kunia (Hawaii) | 4,205.32 mi (6,767.80 km) |
| River Ridge to Royal Oak (Michigan) | 951.41 mi (1,531.15 km) |
| River Ridge to Royal Palm Beach (Florida) | 647.90 mi (1,042.70 km) |
| River Ridge to Royse City (Texas) | 415.29 mi (668.35 km) |
| River Ridge to Ruskin (Florida) | 496.94 mi (799.74 km) |
| River Ridge to Russellville (Alabama) | 346.20 mi (557.15 km) |
| River Ridge to Russellville (Arkansas) | 404.66 mi (651.23 km) |
| River Ridge to Ruston (Louisiana) | 227.99 mi (366.91 km) |
| River Ridge to Rutherford (New Jersey) | 1,174.30 mi (1,889.85 km) |
| River Ridge to Rutland (Vermont) | 1,336.32 mi (2,150.59 km) |
| River Ridge to Sabana Grande (Puerto Rico) | 1,676.30 mi (2,697.75 km) |
| River Ridge to Sachse (Texas) | 428.59 mi (689.74 km) |
| River Ridge to Saco (Maine) | 1,434.40 mi (2,308.44 km) |
| River Ridge to Sacramento (California) | 1,870.26 mi (3,009.89 km) |
