| Farmington Hills to Oerlinghausen | 4,073.06 mi (6,554.95 km) |
| Farmington Hills to Oestrich-Winkel | 4,118.11 mi (6,627.45 km) |
| Farmington Hills to Offenburg | 4,171.10 mi (6,712.74 km) |
| Farmington Hills to Oftersheim | 4,163.15 mi (6,699.94 km) |
| Farmington Hills to Ohrdruf | 4,190.11 mi (6,743.34 km) |
| Farmington Hills to Ohringen | 4,204.34 mi (6,766.23 km) |
| Farmington Hills to Olbernhau | 4,291.31 mi (6,906.19 km) |
| Farmington Hills to Olching | 4,311.49 mi (6,938.68 km) |
| Farmington Hills to Oldenburg | 4,015.69 mi (6,462.63 km) |
| Farmington Hills to Oldenburg in Holstein | 4,069.65 mi (6,549.48 km) |
| Farmington Hills to Olfen | 4,034.50 mi (6,492.90 km) |
| Farmington Hills to Olpe | 4,075.68 mi (6,559.18 km) |
| Farmington Hills to Olsberg | 4,088.09 mi (6,579.15 km) |
| Farmington Hills to Oranienburg | 4,208.16 mi (6,772.38 km) |
| Farmington Hills to Ortenberg | 4,145.09 mi (6,670.87 km) |
