| Houthulst to Ridgeland (Mississippi) | 4,641.72 mi (7,470.13 km) |
| Houthulst to Ridgewood (New Jersey) | 3,591.54 mi (5,780.02 km) |
| Houthulst to Rifle (Colorado) | 4,917.51 mi (7,913.96 km) |
| Houthulst to Rincon (Georgia) | 4,285.92 mi (6,897.52 km) |
| Houthulst to Ringwood (New Jersey) | 3,592.74 mi (5,781.95 km) |
| Houthulst to Río Grande (Puerto Rico) | 4,321.08 mi (6,954.11 km) |
| Houthulst to Rio Grande City (Texas) | 5,299.13 mi (8,528.12 km) |
| Houthulst to Rio Linda (California) | 5,388.83 mi (8,672.49 km) |
| Houthulst to Rio Rancho (New Mexico) | 5,111.45 mi (8,226.09 km) |
| Houthulst to Rio Rico (Arizona) | 5,469.52 mi (8,802.34 km) |
| Houthulst to Ripon (California) | 5,435.22 mi (8,747.15 km) |
| Houthulst to River Edge (New Jersey) | 3,590.92 mi (5,779.03 km) |
| Houthulst to River Falls (Wisconsin) | 4,124.25 mi (6,637.34 km) |
| Houthulst to River Forest (Illinois) | 4,088.24 mi (6,579.38 km) |
| Houthulst to River Grove (Illinois) | 4,087.56 mi (6,578.29 km) |
