| Fort Madison to Portage (Michigan) | 317.73 mi (511.34 km) |
| Fort Madison to Portage (Wisconsin) | 224.21 mi (360.83 km) |
| Fort Madison to Portales (New Mexico) | 794.19 mi (1,278.12 km) |
| Fort Madison to Porterville (California) | 1,526.15 mi (2,456.11 km) |
| Fort Madison to Portland (Maine) | 1,097.13 mi (1,765.65 km) |
| Fort Madison to Portland (Oregon) | 1,604.87 mi (2,582.78 km) |
| Fort Madison to Portland (Tennessee) | 381.19 mi (613.47 km) |
| Fort Madison to Portland (Texas) | 942.61 mi (1,516.98 km) |
| Fort Madison to Portsmouth (New Hampshire) | 1,069.29 mi (1,720.86 km) |
| Fort Madison to Portsmouth (Ohio) | 464.99 mi (748.34 km) |
| Fort Madison to Portsmouth (Virginia) | 848.04 mi (1,364.78 km) |
| Fort Madison to Post Falls (Idaho) | 1,351.94 mi (2,175.74 km) |
| Fort Madison to Potomac (Maryland) | 758.59 mi (1,220.84 km) |
| Fort Madison to Potomac Park (California) | 1,540.00 mi (2,478.40 km) |
| Fort Madison to Pottstown (Pennsylvania) | 825.29 mi (1,328.17 km) |
