| Slupca to Rockville (Maryland) | 4,338.27 mi (6,981.78 km) |
| Slupca to Rockville Centre (New York) | 4,130.04 mi (6,646.66 km) |
| Slupca to Rockwall (Texas) | 5,345.63 mi (8,602.96 km) |
| Slupca to Rocky Mount (North Carolina) | 4,520.74 mi (7,275.43 km) |
| Slupca to Rocky Point (New York) | 4,090.78 mi (6,583.48 km) |
| Slupca to Rocky River (Ohio) | 4,385.57 mi (7,057.90 km) |
| Slupca to Roessleville (New York) | 4,037.30 mi (6,497.41 km) |
| Slupca to Rogers (Arkansas) | 5,078.99 mi (8,173.84 km) |
| Slupca to Rogers (Minnesota) | 4,573.23 mi (7,359.90 km) |
| Slupca to Rohnert Park (California) | 5,740.21 mi (9,237.97 km) |
| Slupca to Rolla (Missouri) | 4,909.89 mi (7,901.70 km) |
| Slupca to Rolling Meadows (Illinois) | 4,563.76 mi (7,344.67 km) |
| Slupca to Roma (Texas) | 5,804.12 mi (9,340.83 km) |
| Slupca to Rome (Georgia) | 4,881.40 mi (7,855.86 km) |
| Slupca to Rome (New York) | 4,073.01 mi (6,554.88 km) |
