| Oostakker to Rockville (Maryland) | 3,829.17 mi (6,162.45 km) |
| Oostakker to Rockville Centre (New York) | 3,616.26 mi (5,819.80 km) |
| Oostakker to Rockwall (Texas) | 4,889.04 mi (7,868.14 km) |
| Oostakker to Rocky Mount (North Carolina) | 3,999.58 mi (6,436.71 km) |
| Oostakker to Rocky Point (New York) | 3,575.94 mi (5,754.92 km) |
| Oostakker to Rocky River (Ohio) | 3,906.71 mi (6,287.24 km) |
| Oostakker to Roessleville (New York) | 3,534.86 mi (5,688.82 km) |
| Oostakker to Rogers (Arkansas) | 4,627.24 mi (7,446.82 km) |
| Oostakker to Rogers (Minnesota) | 4,166.11 mi (6,704.70 km) |
| Oostakker to Rohnert Park (California) | 5,460.98 mi (8,788.60 km) |
| Oostakker to Rolla (Missouri) | 4,455.01 mi (7,169.64 km) |
| Oostakker to Rolling Meadows (Illinois) | 4,113.87 mi (6,620.64 km) |
| Oostakker to Roma (Texas) | 5,332.58 mi (8,581.96 km) |
| Oostakker to Rome (Georgia) | 4,380.94 mi (7,050.44 km) |
| Oostakker to Rome (New York) | 3,579.63 mi (5,760.86 km) |
