| Willebroek to Roy (Utah) | 5,005.36 mi (8,055.34 km) |
| Willebroek to Royal Kunia (Hawaii) | 7,316.25 mi (11,774.36 km) |
| Willebroek to Royal Oak (Michigan) | 3,933.54 mi (6,330.42 km) |
| Willebroek to Royal Palm Beach (Florida) | 4,578.57 mi (7,368.50 km) |
| Willebroek to Royse City (Texas) | 4,905.26 mi (7,894.25 km) |
| Willebroek to Ruskin (Florida) | 4,620.15 mi (7,435.42 km) |
| Willebroek to Russellville (Alabama) | 4,494.96 mi (7,233.95 km) |
| Willebroek to Russellville (Arkansas) | 4,665.73 mi (7,508.77 km) |
| Willebroek to Ruston (Louisiana) | 4,787.07 mi (7,704.04 km) |
| Willebroek to Rutherford (New Jersey) | 3,653.46 mi (5,879.67 km) |
| Willebroek to Rutland (Vermont) | 3,488.51 mi (5,614.22 km) |
| Willebroek to Sabana Grande (Puerto Rico) | 4,447.04 mi (7,156.83 km) |
| Willebroek to Sachse (Texas) | 4,915.35 mi (7,910.49 km) |
| Willebroek to Saco (Maine) | 3,390.84 mi (5,457.02 km) |
| Willebroek to Sacramento (California) | 5,432.17 mi (8,742.23 km) |
