| Ostend to Ridgeland (Mississippi) | 4,633.58 mi (7,457.03 km) |
| Ostend to Ridgewood (New Jersey) | 3,584.19 mi (5,768.20 km) |
| Ostend to Rifle (Colorado) | 4,905.41 mi (7,894.50 km) |
| Ostend to Rincon (Georgia) | 4,279.42 mi (6,887.06 km) |
| Ostend to Ringwood (New Jersey) | 3,585.33 mi (5,770.02 km) |
| Ostend to Río Grande (Puerto Rico) | 4,321.07 mi (6,954.09 km) |
| Ostend to Rio Grande City (Texas) | 5,290.51 mi (8,514.25 km) |
| Ostend to Rio Linda (California) | 5,375.08 mi (8,650.35 km) |
| Ostend to Rio Rancho (New Mexico) | 5,100.12 mi (8,207.84 km) |
| Ostend to Rio Rico (Arizona) | 5,458.04 mi (8,783.87 km) |
| Ostend to Ripon (California) | 5,421.60 mi (8,725.22 km) |
| Ostend to River Edge (New Jersey) | 3,583.60 mi (5,767.25 km) |
| Ostend to River Falls (Wisconsin) | 4,113.30 mi (6,619.72 km) |
| Ostend to River Forest (Illinois) | 4,078.55 mi (6,563.80 km) |
| Ostend to River Grove (Illinois) | 4,077.87 mi (6,562.69 km) |
