| Irvine to Portage (Michigan) | 3,569.35 mi (5,744.32 km) |
| Irvine to Portage (Wisconsin) | 3,642.75 mi (5,862.44 km) |
| Irvine to Portales (New Mexico) | 4,619.59 mi (7,434.52 km) |
| Irvine to Porterville (California) | 5,022.61 mi (8,083.11 km) |
| Irvine to Portland (Maine) | 2,928.69 mi (4,713.28 km) |
| Irvine to Portland (Oregon) | 4,574.57 mi (7,362.05 km) |
| Irvine to Portland (Tennessee) | 3,883.71 mi (6,250.23 km) |
| Irvine to Portland (Texas) | 4,748.21 mi (7,641.51 km) |
| Irvine to Portsmouth (New Hampshire) | 2,976.03 mi (4,789.45 km) |
| Irvine to Portsmouth (Ohio) | 3,640.90 mi (5,859.47 km) |
| Irvine to Portsmouth (Virginia) | 3,485.19 mi (5,608.86 km) |
| Irvine to Post Falls (Idaho) | 4,296.53 mi (6,914.60 km) |
| Irvine to Potomac (Maryland) | 3,410.79 mi (5,489.14 km) |
| Irvine to Potomac Park (California) | 5,061.34 mi (8,145.44 km) |
| Irvine to Pottstown (Pennsylvania) | 3,292.10 mi (5,298.12 km) |
