| Ilmenau to Portage (Michigan) | 4,297.24 mi (6,915.73 km) |
| Ilmenau to Portage (Wisconsin) | 4,369.48 mi (7,031.99 km) |
| Ilmenau to Portales (New Mexico) | 5,344.03 mi (8,600.39 km) |
| Ilmenau to Porterville (California) | 5,716.07 mi (9,199.12 km) |
| Ilmenau to Portland (Maine) | 3,648.79 mi (5,872.17 km) |
| Ilmenau to Portland (Oregon) | 5,233.29 mi (8,422.16 km) |
| Ilmenau to Portland (Tennessee) | 4,609.63 mi (7,418.48 km) |
| Ilmenau to Portland (Texas) | 5,475.30 mi (8,811.64 km) |
| Ilmenau to Portsmouth (New Hampshire) | 3,695.51 mi (5,947.35 km) |
| Ilmenau to Portsmouth (Ohio) | 4,366.17 mi (7,026.67 km) |
| Ilmenau to Portsmouth (Virginia) | 4,199.93 mi (6,759.14 km) |
| Ilmenau to Post Falls (Idaho) | 4,967.17 mi (7,993.89 km) |
| Ilmenau to Potomac (Maryland) | 4,130.80 mi (6,647.88 km) |
| Ilmenau to Potomac Park (California) | 5,756.39 mi (9,264.02 km) |
| Ilmenau to Pottstown (Pennsylvania) | 4,012.29 mi (6,457.16 km) |
