| Knokke-Heist to Rockville (Maryland) | 3,803.78 mi (6,121.60 km) |
| Knokke-Heist to Rockville Centre (New York) | 3,590.96 mi (5,779.10 km) |
| Knokke-Heist to Rockwall (Texas) | 4,862.81 mi (7,825.94 km) |
| Knokke-Heist to Rocky Mount (North Carolina) | 3,974.55 mi (6,396.42 km) |
| Knokke-Heist to Rocky Point (New York) | 3,550.67 mi (5,714.25 km) |
| Knokke-Heist to Rocky River (Ohio) | 3,880.71 mi (6,245.41 km) |
| Knokke-Heist to Roessleville (New York) | 3,509.28 mi (5,647.64 km) |
| Knokke-Heist to Rogers (Arkansas) | 4,600.94 mi (7,404.50 km) |
| Knokke-Heist to Rogers (Minnesota) | 4,139.50 mi (6,661.88 km) |
| Knokke-Heist to Rohnert Park (California) | 5,434.84 mi (8,746.53 km) |
| Knokke-Heist to Rolla (Missouri) | 4,428.73 mi (7,127.35 km) |
| Knokke-Heist to Rolling Meadows (Illinois) | 4,087.52 mi (6,578.23 km) |
| Knokke-Heist to Roma (Texas) | 5,306.59 mi (8,540.12 km) |
| Knokke-Heist to Rome (Georgia) | 4,355.40 mi (7,009.34 km) |
| Knokke-Heist to Rome (New York) | 3,553.86 mi (5,719.39 km) |
