| Grosse Pointe Park to Nyon | 4,166.43 mi (6,705.22 km) |
| Grosse Pointe Park to Oberriet | 4,264.85 mi (6,863.62 km) |
| Grosse Pointe Park to Obersiggenthal | 4,208.34 mi (6,772.67 km) |
| Grosse Pointe Park to Oberwil | 4,178.20 mi (6,724.16 km) |
| Grosse Pointe Park to Oberwingert | 4,226.01 mi (6,801.11 km) |
| Grosse Pointe Park to Oftringen | 4,199.77 mi (6,758.87 km) |
| Grosse Pointe Park to Olten | 4,197.88 mi (6,755.83 km) |
| Grosse Pointe Park to Onex | 4,168.29 mi (6,708.22 km) |
| Grosse Pointe Park to Opfikon | 4,221.15 mi (6,793.29 km) |
| Grosse Pointe Park to Ostermundigen | 4,196.07 mi (6,752.92 km) |
| Grosse Pointe Park to Payerne | 4,178.87 mi (6,725.24 km) |
| Grosse Pointe Park to Pfaffikon | 4,232.17 mi (6,811.02 km) |
| Grosse Pointe Park to Plan-les-Ouates | 4,169.58 mi (6,710.29 km) |
| Grosse Pointe Park to Pratteln | 4,183.84 mi (6,733.24 km) |
| Grosse Pointe Park to Prilly | 4,175.80 mi (6,720.30 km) |
