| Slupca to Wanaque (New Jersey) | 4,135.58 mi (6,655.57 km) |
| Slupca to Wantagh (New York) | 4,125.09 mi (6,638.69 km) |
| Slupca to Warner Robins (Georgia) | 4,914.88 mi (7,909.74 km) |
| Slupca to Warr Acres (Oklahoma) | 5,235.88 mi (8,426.33 km) |
| Slupca to Warren (Michigan) | 4,373.87 mi (7,039.07 km) |
| Slupca to Warren (Ohio) | 4,361.07 mi (7,018.47 km) |
| Slupca to Warrensburg (Missouri) | 4,929.32 mi (7,932.97 km) |
| Slupca to Warrensville Heights (Ohio) | 4,375.77 mi (7,042.12 km) |
| Slupca to Warrenville (Illinois) | 4,582.50 mi (7,374.82 km) |
| Slupca to Warrington (Florida) | 5,168.06 mi (8,317.19 km) |
| Slupca to Warsaw (Indiana) | 4,534.57 mi (7,297.68 km) |
| Slupca to Warwick (Rhode Island) | 3,997.75 mi (6,433.76 km) |
| Slupca to Wasco (California) | 5,839.93 mi (9,398.46 km) |
| Slupca to Washington (District of Columbia) | 4,342.16 mi (6,988.03 km) |
| Slupca to Washington (Illinois) | 4,683.23 mi (7,536.93 km) |
