| Ostend to Robertsville (New Jersey) | 3,619.68 mi (5,825.31 km) |
| Ostend to Robinson (Texas) | 4,955.47 mi (7,975.06 km) |
| Ostend to Robstown (Texas) | 5,170.06 mi (8,320.40 km) |
| Ostend to Rochester (Michigan) | 3,863.60 mi (6,217.86 km) |
| Ostend to Rochester (Minnesota) | 4,148.54 mi (6,676.43 km) |
| Ostend to Rochester (New Hampshire) | 3,359.18 mi (5,406.08 km) |
| Ostend to Rochester (New York) | 3,628.82 mi (5,840.03 km) |
| Ostend to Rochester Hills (Michigan) | 3,866.00 mi (6,221.73 km) |
| Ostend to Rock Hill (South Carolina) | 4,142.47 mi (6,666.66 km) |
| Ostend to Rock Island (Illinois) | 4,201.96 mi (6,762.40 km) |
| Ostend to Rock Springs (Wyoming) | 4,840.63 mi (7,790.24 km) |
| Ostend to Rockford (Illinois) | 4,107.80 mi (6,610.87 km) |
| Ostend to Rockledge (Florida) | 4,455.36 mi (7,170.21 km) |
| Ostend to Rocklin (California) | 5,362.54 mi (8,630.18 km) |
| Ostend to Rockport (Texas) | 5,134.27 mi (8,262.81 km) |
