| Rietberg to Portage (Michigan) | 4,165.09 mi (6,703.07 km) |
| Rietberg to Portage (Wisconsin) | 4,237.16 mi (6,819.06 km) |
| Rietberg to Portales (New Mexico) | 5,211.87 mi (8,387.70 km) |
| Rietberg to Porterville (California) | 5,588.12 mi (8,993.21 km) |
| Rietberg to Portland (Maine) | 3,518.71 mi (5,662.81 km) |
| Rietberg to Portland (Oregon) | 5,110.53 mi (8,224.60 km) |
| Rietberg to Portland (Tennessee) | 4,478.23 mi (7,207.01 km) |
| Rietberg to Portland (Texas) | 5,343.55 mi (8,599.61 km) |
| Rietberg to Portsmouth (New Hampshire) | 3,565.56 mi (5,738.21 km) |
| Rietberg to Portsmouth (Ohio) | 4,234.93 mi (6,815.47 km) |
| Rietberg to Portsmouth (Virginia) | 4,071.04 mi (6,551.70 km) |
| Rietberg to Post Falls (Idaho) | 4,842.46 mi (7,793.19 km) |
| Rietberg to Potomac (Maryland) | 4,000.78 mi (6,438.64 km) |
| Rietberg to Potomac Park (California) | 5,628.21 mi (9,057.73 km) |
| Rietberg to Pottstown (Pennsylvania) | 3,882.22 mi (6,247.84 km) |
