| Zollikon to Rockville (Maryland) | 4,132.91 mi (6,651.28 km) |
| Zollikon to Rockville Centre (New York) | 3,918.53 mi (6,306.26 km) |
| Zollikon to Rockwall (Texas) | 5,208.84 mi (8,382.81 km) |
| Zollikon to Rocky Mount (North Carolina) | 4,296.90 mi (6,915.20 km) |
| Zollikon to Rocky Point (New York) | 3,877.85 mi (6,240.79 km) |
| Zollikon to Rocky River (Ohio) | 4,221.99 mi (6,794.64 km) |
| Zollikon to Roessleville (New York) | 3,842.47 mi (6,183.86 km) |
| Zollikon to Rogers (Arkansas) | 4,948.85 mi (7,964.41 km) |
| Zollikon to Rogers (Minnesota) | 4,497.55 mi (7,238.10 km) |
| Zollikon to Rohnert Park (California) | 5,799.14 mi (9,332.81 km) |
| Zollikon to Rolla (Missouri) | 4,776.14 mi (7,686.45 km) |
| Zollikon to Rolling Meadows (Illinois) | 4,436.99 mi (7,140.64 km) |
| Zollikon to Roma (Texas) | 5,646.98 mi (9,087.94 km) |
| Zollikon to Rome (Georgia) | 4,686.85 mi (7,542.75 km) |
| Zollikon to Rome (New York) | 3,890.70 mi (6,261.48 km) |
