| Port Huron to Bad Mergentheim | 4,144.97 mi (6,670.68 km) |
| Port Huron to Bad Munder am Deister | 4,035.92 mi (6,495.18 km) |
| Port Huron to Bad Munstereifel | 3,993.38 mi (6,426.72 km) |
| Port Huron to Bad Nauheim | 4,074.93 mi (6,557.97 km) |
| Port Huron to Bad Nenndorf | 4,027.89 mi (6,482.27 km) |
| Port Huron to Bad Neuenahr-Ahrweiler | 4,006.84 mi (6,448.38 km) |
| Port Huron to Bad Neustadt | 4,131.48 mi (6,648.98 km) |
| Port Huron to Bad Oeynhausen | 4,011.65 mi (6,456.13 km) |
| Port Huron to Bad Oldesloe | 4,011.49 mi (6,455.87 km) |
| Port Huron to Bad Orb | 4,102.92 mi (6,603.01 km) |
| Port Huron to Bad Pyrmont | 4,036.10 mi (6,495.47 km) |
| Port Huron to Bad Rappenau | 4,129.46 mi (6,645.72 km) |
| Port Huron to Bad Reichenhall | 4,331.19 mi (6,970.38 km) |
| Port Huron to Bad Sackingen | 4,146.95 mi (6,673.87 km) |
| Port Huron to Bad Salzdetfurth | 4,060.45 mi (6,534.66 km) |
