| Herk-de-Stad to Portage (Michigan) | 4,074.77 mi (6,557.72 km) |
| Herk-de-Stad to Portage (Wisconsin) | 4,154.31 mi (6,685.71 km) |
| Herk-de-Stad to Portales (New Mexico) | 5,133.81 mi (8,262.07 km) |
| Herk-de-Stad to Porterville (California) | 5,538.90 mi (8,914.00 km) |
| Herk-de-Stad to Portland (Maine) | 3,412.96 mi (5,492.63 km) |
| Herk-de-Stad to Portland (Oregon) | 5,080.23 mi (8,175.83 km) |
| Herk-de-Stad to Portland (Tennessee) | 4,379.68 mi (7,048.41 km) |
| Herk-de-Stad to Portland (Texas) | 5,247.57 mi (8,445.15 km) |
| Herk-de-Stad to Portsmouth (New Hampshire) | 3,459.17 mi (5,566.99 km) |
| Herk-de-Stad to Portsmouth (Ohio) | 4,135.27 mi (6,655.08 km) |
| Herk-de-Stad to Portsmouth (Virginia) | 3,960.20 mi (6,373.33 km) |
| Herk-de-Stad to Post Falls (Idaho) | 4,806.19 mi (7,734.81 km) |
| Herk-de-Stad to Potomac (Maryland) | 3,894.49 mi (6,267.58 km) |
| Herk-de-Stad to Potomac Park (California) | 5,577.96 mi (8,976.85 km) |
| Herk-de-Stad to Pottstown (Pennsylvania) | 3,776.22 mi (6,077.24 km) |
