| Katy to Portage (Michigan) | 1,029.32 mi (1,656.54 km) |
| Katy to Portage (Wisconsin) | 1,013.22 mi (1,630.63 km) |
| Katy to Portales (New Mexico) | 534.60 mi (860.35 km) |
| Katy to Porterville (California) | 1,409.42 mi (2,268.24 km) |
| Katy to Portland (Maine) | 1,698.83 mi (2,734.00 km) |
| Katy to Portland (Oregon) | 1,811.61 mi (2,915.51 km) |
| Katy to Portland (Tennessee) | 713.96 mi (1,149.01 km) |
| Katy to Portland (Texas) | 159.14 mi (256.11 km) |
| Katy to Portsmouth (New Hampshire) | 1,657.20 mi (2,667.01 km) |
| Katy to Portsmouth (Ohio) | 960.15 mi (1,545.22 km) |
| Katy to Portsmouth (Virginia) | 1,222.88 mi (1,968.04 km) |
| Katy to Post Falls (Idaho) | 1,670.57 mi (2,688.53 km) |
| Katy to Potomac (Maryland) | 1,235.46 mi (1,988.28 km) |
| Katy to Potomac Park (California) | 1,396.93 mi (2,248.14 km) |
| Katy to Pottstown (Pennsylvania) | 1,346.89 mi (2,167.61 km) |
