| Middle Island to Portage (Michigan) | 659.58 mi (1,061.49 km) |
| Middle Island to Portage (Wisconsin) | 863.60 mi (1,389.83 km) |
| Middle Island to Portales (New Mexico) | 1,719.95 mi (2,767.98 km) |
| Middle Island to Porterville (California) | 2,486.27 mi (4,001.26 km) |
| Middle Island to Portland (Maine) | 236.37 mi (380.40 km) |
| Middle Island to Portland (Oregon) | 2,483.22 mi (3,996.35 km) |
| Middle Island to Portland (Tennessee) | 788.54 mi (1,269.04 km) |
| Middle Island to Portland (Texas) | 1,645.90 mi (2,648.82 km) |
| Middle Island to Portsmouth (New Hampshire) | 186.72 mi (300.50 km) |
| Middle Island to Portsmouth (Ohio) | 550.34 mi (885.69 km) |
| Middle Island to Portsmouth (Virginia) | 333.85 mi (537.28 km) |
| Middle Island to Post Falls (Idaho) | 2,194.93 mi (3,532.39 km) |
| Middle Island to Potomac (Maryland) | 259.51 mi (417.65 km) |
| Middle Island to Potomac Park (California) | 2,501.21 mi (4,025.31 km) |
| Middle Island to Pottstown (Pennsylvania) | 148.29 mi (238.65 km) |
