| Cal to Romeoville (Illinois) | 5,669.80 mi (9,124.67 km) |
| Cal to Romulus (Michigan) | 5,465.79 mi (8,796.34 km) |
| Cal to Ronkonkoma (New York) | 5,120.17 mi (8,240.12 km) |
| Cal to Roosevelt (New York) | 5,144.51 mi (8,279.29 km) |
| Cal to Rosamond (California) | 6,986.32 mi (11,243.40 km) |
| Cal to Rosaryville (Maryland) | 5,361.62 mi (8,628.70 km) |
| Cal to Roscoe (Illinois) | 5,663.49 mi (9,114.51 km) |
| Cal to Rose Hill (Virginia) | 5,372.49 mi (8,646.18 km) |
| Cal to Roseburg (Oregon) | 6,565.21 mi (10,565.68 km) |
| Cal to Rosedale (California) | 6,977.31 mi (11,228.90 km) |
| Cal to Rosedale (Maryland) | 5,323.97 mi (8,568.11 km) |
| Cal to Roselle (Illinois) | 5,652.21 mi (9,096.35 km) |
| Cal to Roselle (New Jersey) | 5,173.79 mi (8,326.40 km) |
| Cal to Roselle Park (New Jersey) | 5,173.53 mi (8,326.00 km) |
| Cal to Rosemead (California) | 7,032.74 mi (11,318.10 km) |
