| Keystone to Romeoville (Illinois) | 982.93 mi (1,581.88 km) |
| Keystone to Romulus (Michigan) | 974.65 mi (1,568.54 km) |
| Keystone to Ronkonkoma (New York) | 1,027.08 mi (1,652.92 km) |
| Keystone to Roosevelt (New York) | 1,006.56 mi (1,619.91 km) |
| Keystone to Rosamond (California) | 2,137.40 mi (3,439.82 km) |
| Keystone to Rosaryville (Maryland) | 806.26 mi (1,297.55 km) |
| Keystone to Roscoe (Illinois) | 1,050.89 mi (1,691.24 km) |
| Keystone to Rose Hill (Virginia) | 800.99 mi (1,289.07 km) |
| Keystone to Roseburg (Oregon) | 2,482.74 mi (3,995.58 km) |
| Keystone to Rosedale (California) | 2,194.99 mi (3,532.49 km) |
| Keystone to Rosedale (Maryland) | 848.48 mi (1,365.50 km) |
| Keystone to Roselle (Illinois) | 1,005.38 mi (1,618.01 km) |
| Keystone to Roselle (New Jersey) | 986.05 mi (1,586.90 km) |
| Keystone to Roselle Park (New Jersey) | 986.61 mi (1,587.80 km) |
| Keystone to Rosemead (California) | 2,127.96 mi (3,424.62 km) |
