| Johnston to Robertsville (New Jersey) | 1,015.05 mi (1,633.56 km) |
| Johnston to Robinson (Texas) | 732.08 mi (1,178.17 km) |
| Johnston to Robstown (Texas) | 985.67 mi (1,586.28 km) |
| Johnston to Rochester (Michigan) | 546.81 mi (880.00 km) |
| Johnston to Rochester (Minnesota) | 172.54 mi (277.68 km) |
| Johnston to Rochester (New Hampshire) | 1,160.43 mi (1,867.53 km) |
| Johnston to Rochester (New York) | 826.45 mi (1,330.04 km) |
| Johnston to Rochester Hills (Michigan) | 544.86 mi (876.87 km) |
| Johnston to Rock Hill (South Carolina) | 830.12 mi (1,335.95 km) |
| Johnston to Rock Island (Illinois) | 163.03 mi (262.37 km) |
| Johnston to Rock Springs (Wyoming) | 799.14 mi (1,286.09 km) |
| Johnston to Rockford (Illinois) | 242.51 mi (390.28 km) |
| Johnston to Rockledge (Florida) | 1,177.65 mi (1,895.24 km) |
| Johnston to Rocklin (California) | 1,458.84 mi (2,347.77 km) |
| Johnston to Rockport (Texas) | 962.64 mi (1,549.21 km) |
