| Gladstone to Roy (Utah) | 931.31 mi (1,498.79 km) |
| Gladstone to Royal Kunia (Hawaii) | 3,899.16 mi (6,275.09 km) |
| Gladstone to Royal Oak (Michigan) | 637.35 mi (1,025.71 km) |
| Gladstone to Royal Palm Beach (Florida) | 1,196.01 mi (1,924.78 km) |
| Gladstone to Royse City (Texas) | 441.96 mi (711.27 km) |
| Gladstone to Ruskin (Florida) | 1,057.02 mi (1,701.11 km) |
| Gladstone to Russellville (Alabama) | 498.13 mi (801.67 km) |
| Gladstone to Russellville (Arkansas) | 283.03 mi (455.49 km) |
| Gladstone to Ruston (Louisiana) | 473.94 mi (762.73 km) |
| Gladstone to Rutherford (New Jersey) | 1,085.50 mi (1,746.94 km) |
| Gladstone to Rutland (Vermont) | 1,155.11 mi (1,858.97 km) |
| Gladstone to Sabana Grande (Puerto Rico) | 2,204.01 mi (3,547.00 km) |
| Gladstone to Sachse (Texas) | 445.67 mi (717.23 km) |
| Gladstone to Saco (Maine) | 1,279.68 mi (2,059.44 km) |
| Gladstone to Sacramento (California) | 1,442.50 mi (2,321.48 km) |
