| Sluis to Romeoville (Illinois) | 4,116.20 mi (6,624.39 km) |
| Sluis to Romulus (Michigan) | 3,909.36 mi (6,291.51 km) |
| Sluis to Ronkonkoma (New York) | 3,568.86 mi (5,743.53 km) |
| Sluis to Roosevelt (New York) | 3,592.89 mi (5,782.19 km) |
| Sluis to Rosamond (California) | 5,512.31 mi (8,871.20 km) |
| Sluis to Rosaryville (Maryland) | 3,809.75 mi (6,131.20 km) |
| Sluis to Roscoe (Illinois) | 4,112.21 mi (6,617.97 km) |
| Sluis to Rose Hill (Virginia) | 3,820.23 mi (6,148.07 km) |
| Sluis to Roseburg (Oregon) | 5,168.73 mi (8,318.26 km) |
| Sluis to Rosedale (California) | 5,511.97 mi (8,870.67 km) |
| Sluis to Rosedale (Maryland) | 3,771.46 mi (6,069.57 km) |
| Sluis to Roselle (Illinois) | 4,099.10 mi (6,596.86 km) |
| Sluis to Roselle (New Jersey) | 3,621.42 mi (5,828.12 km) |
| Sluis to Roselle Park (New Jersey) | 3,621.14 mi (5,827.66 km) |
| Sluis to Rosemead (California) | 5,554.51 mi (8,939.13 km) |
