| Slupca to Romeoville (Illinois) | 4,589.68 mi (7,386.37 km) |
| Slupca to Romulus (Michigan) | 4,399.30 mi (7,079.99 km) |
| Slupca to Ronkonkoma (New York) | 4,104.19 mi (6,605.05 km) |
| Slupca to Roosevelt (New York) | 4,127.27 mi (6,642.20 km) |
| Slupca to Rosamond (California) | 5,858.14 mi (9,427.77 km) |
| Slupca to Rosaryville (Maryland) | 4,342.09 mi (6,987.91 km) |
| Slupca to Roscoe (Illinois) | 4,577.42 mi (7,366.65 km) |
| Slupca to Rose Hill (Virginia) | 4,351.47 mi (7,003.02 km) |
| Slupca to Roseburg (Oregon) | 5,443.54 mi (8,760.52 km) |
| Slupca to Rosedale (California) | 5,849.02 mi (9,413.09 km) |
| Slupca to Rosedale (Maryland) | 4,302.27 mi (6,923.83 km) |
| Slupca to Roselle (Illinois) | 4,570.74 mi (7,355.89 km) |
| Slupca to Roselle (New Jersey) | 4,153.62 mi (6,684.60 km) |
| Slupca to Roselle Park (New Jersey) | 4,153.25 mi (6,684.01 km) |
| Slupca to Rosemead (California) | 5,904.72 mi (9,502.72 km) |
