| Green River to Romeoville (Illinois) | 1,101.87 mi (1,773.29 km) |
| Green River to Romulus (Michigan) | 1,338.81 mi (2,154.61 km) |
| Green River to Ronkonkoma (New York) | 1,877.32 mi (3,021.26 km) |
| Green River to Roosevelt (New York) | 1,855.99 mi (2,986.93 km) |
| Green River to Rosamond (California) | 659.95 mi (1,062.08 km) |
| Green River to Rosaryville (Maryland) | 1,724.36 mi (2,775.09 km) |
| Green River to Roscoe (Illinois) | 1,050.53 mi (1,690.67 km) |
| Green River to Rose Hill (Virginia) | 1,709.42 mi (2,751.05 km) |
| Green River to Roseburg (Oregon) | 717.52 mi (1,154.74 km) |
| Green River to Rosedale (California) | 674.90 mi (1,086.14 km) |
| Green River to Rosedale (Maryland) | 1,729.93 mi (2,784.06 km) |
| Green River to Roselle (Illinois) | 1,100.00 mi (1,770.28 km) |
| Green River to Roselle (New Jersey) | 1,822.00 mi (2,932.22 km) |
| Green River to Roselle Park (New Jersey) | 1,821.45 mi (2,931.34 km) |
| Green River to Rosemead (California) | 696.11 mi (1,120.28 km) |
