| Gladstone to Romeoville (Illinois) | 378.49 mi (609.12 km) |
| Gladstone to Romulus (Michigan) | 621.39 mi (1,000.03 km) |
| Gladstone to Ronkonkoma (New York) | 1,136.81 mi (1,829.53 km) |
| Gladstone to Roosevelt (New York) | 1,113.02 mi (1,791.23 km) |
| Gladstone to Rosamond (California) | 1,334.68 mi (2,147.96 km) |
| Gladstone to Rosaryville (Maryland) | 951.27 mi (1,530.93 km) |
| Gladstone to Roscoe (Illinois) | 365.24 mi (587.79 km) |
| Gladstone to Rose Hill (Virginia) | 936.04 mi (1,506.41 km) |
| Gladstone to Roseburg (Oregon) | 1,514.05 mi (2,436.63 km) |
| Gladstone to Rosedale (California) | 1,375.66 mi (2,213.91 km) |
| Gladstone to Rosedale (Maryland) | 963.96 mi (1,551.35 km) |
| Gladstone to Roselle (Illinois) | 389.57 mi (626.95 km) |
| Gladstone to Roselle (New Jersey) | 1,077.64 mi (1,734.30 km) |
| Gladstone to Roselle Park (New Jersey) | 1,077.27 mi (1,733.70 km) |
| Gladstone to Rosemead (California) | 1,347.38 mi (2,168.40 km) |
