| Zollikon to Portage (Michigan) | 4,337.27 mi (6,980.16 km) |
| Zollikon to Portage (Wisconsin) | 4,423.81 mi (7,119.43 km) |
| Zollikon to Portales (New Mexico) | 5,406.37 mi (8,700.71 km) |
| Zollikon to Porterville (California) | 5,827.31 mi (9,378.15 km) |
| Zollikon to Portland (Maine) | 3,657.82 mi (5,886.70 km) |
| Zollikon to Portland (Oregon) | 5,372.51 mi (8,646.21 km) |
| Zollikon to Portland (Tennessee) | 4,632.37 mi (7,455.08 km) |
| Zollikon to Portland (Texas) | 5,502.22 mi (8,854.97 km) |
| Zollikon to Portsmouth (New Hampshire) | 3,702.98 mi (5,959.38 km) |
| Zollikon to Portsmouth (Ohio) | 4,386.94 mi (7,060.09 km) |
| Zollikon to Portsmouth (Virginia) | 4,196.11 mi (6,752.98 km) |
| Zollikon to Post Falls (Idaho) | 5,097.85 mi (8,204.19 km) |
| Zollikon to Potomac (Maryland) | 4,137.54 mi (6,658.72 km) |
| Zollikon to Potomac Park (California) | 5,865.99 mi (9,440.41 km) |
| Zollikon to Pottstown (Pennsylvania) | 4,019.93 mi (6,469.45 km) |
