| Gladstone to Robertsville (New Jersey) | 1,076.57 mi (1,732.57 km) |
| Gladstone to Robinson (Texas) | 555.40 mi (893.83 km) |
| Gladstone to Robstown (Texas) | 808.94 mi (1,301.86 km) |
| Gladstone to Rochester (Michigan) | 642.72 mi (1,034.36 km) |
| Gladstone to Rochester (Minnesota) | 348.74 mi (561.24 km) |
| Gladstone to Rochester (New Hampshire) | 1,252.40 mi (2,015.54 km) |
| Gladstone to Rochester (New York) | 920.45 mi (1,481.32 km) |
| Gladstone to Rochester Hills (Michigan) | 640.48 mi (1,030.76 km) |
| Gladstone to Rock Hill (South Carolina) | 801.35 mi (1,289.64 km) |
| Gladstone to Rock Island (Illinois) | 261.03 mi (420.09 km) |
| Gladstone to Rock Springs (Wyoming) | 787.72 mi (1,267.72 km) |
| Gladstone to Rockford (Illinois) | 356.34 mi (573.47 km) |
| Gladstone to Rockledge (Florida) | 1,091.54 mi (1,756.66 km) |
| Gladstone to Rocklin (California) | 1,427.98 mi (2,298.11 km) |
| Gladstone to Rockport (Texas) | 786.08 mi (1,265.07 km) |
