| Johnston to Ridgeland (Mississippi) | 669.80 mi (1,077.94 km) |
| Johnston to Ridgewood (New Jersey) | 1,016.35 mi (1,635.65 km) |
| Johnston to Rifle (Colorado) | 750.88 mi (1,208.42 km) |
| Johnston to Rincon (Georgia) | 944.92 mi (1,520.70 km) |
| Johnston to Ringwood (New Jersey) | 1,006.66 mi (1,620.06 km) |
| Johnston to Río Grande (Puerto Rico) | 2,298.83 mi (3,699.60 km) |
| Johnston to Rio Grande City (Texas) | 1,096.81 mi (1,765.14 km) |
| Johnston to Rio Linda (California) | 1,471.18 mi (2,367.64 km) |
| Johnston to Rio Rancho (New Mexico) | 828.15 mi (1,332.78 km) |
| Johnston to Rio Rico (Arizona) | 1,185.16 mi (1,907.34 km) |
| Johnston to Ripon (California) | 1,475.47 mi (2,374.54 km) |
| Johnston to River Edge (New Jersey) | 1,020.78 mi (1,642.78 km) |
| Johnston to River Falls (Wisconsin) | 225.88 mi (363.52 km) |
| Johnston to River Forest (Illinois) | 304.40 mi (489.88 km) |
| Johnston to River Grove (Illinois) | 303.48 mi (488.40 km) |
