| Gladstone to Rosemont (California) | 1,436.73 mi (2,312.19 km) |
| Gladstone to Rosemount (Minnesota) | 389.90 mi (627.49 km) |
| Gladstone to Rosenberg (Texas) | 671.83 mi (1,081.21 km) |
| Gladstone to Roseville (California) | 1,432.16 mi (2,304.84 km) |
| Gladstone to Roseville (Michigan) | 647.90 mi (1,042.70 km) |
| Gladstone to Roseville (Minnesota) | 407.28 mi (655.46 km) |
| Gladstone to Rossmoor (California) | 1,354.68 mi (2,180.15 km) |
| Gladstone to Rossville (Maryland) | 965.46 mi (1,553.75 km) |
| Gladstone to Roswell (Georgia) | 668.82 mi (1,076.37 km) |
| Gladstone to Roswell (New Mexico) | 685.67 mi (1,103.48 km) |
| Gladstone to Round Lake (Illinois) | 400.79 mi (645.00 km) |
| Gladstone to Round Lake Beach (Illinois) | 403.13 mi (648.77 km) |
| Gladstone to Round Rock (Texas) | 625.33 mi (1,006.37 km) |
| Gladstone to Rowland Heights (California) | 1,339.80 mi (2,156.20 km) |
| Gladstone to Rowlett (Texas) | 449.07 mi (722.71 km) |
