| Johnston to Romeoville (Illinois) | 290.27 mi (467.14 km) |
| Johnston to Romulus (Michigan) | 533.11 mi (857.96 km) |
| Johnston to Ronkonkoma (New York) | 1,069.29 mi (1,720.86 km) |
| Johnston to Roosevelt (New York) | 1,047.17 mi (1,685.26 km) |
| Johnston to Rosamond (California) | 1,403.82 mi (2,259.22 km) |
| Johnston to Rosaryville (Maryland) | 912.30 mi (1,468.21 km) |
| Johnston to Roscoe (Illinois) | 247.11 mi (397.68 km) |
| Johnston to Rose Hill (Virginia) | 897.45 mi (1,444.30 km) |
| Johnston to Roseburg (Oregon) | 1,506.14 mi (2,423.90 km) |
| Johnston to Rosedale (California) | 1,438.17 mi (2,314.52 km) |
| Johnston to Rosedale (Maryland) | 917.36 mi (1,476.34 km) |
| Johnston to Roselle (Illinois) | 290.84 mi (468.06 km) |
| Johnston to Roselle (New Jersey) | 1,012.66 mi (1,629.71 km) |
| Johnston to Roselle Park (New Jersey) | 1,012.15 mi (1,628.91 km) |
| Johnston to Rosemead (California) | 1,422.88 mi (2,289.91 km) |
