| Foothill Farms to Oerlinghausen | 5,489.41 mi (8,834.36 km) |
| Foothill Farms to Oestrich-Winkel | 5,579.42 mi (8,979.21 km) |
| Foothill Farms to Offenburg | 5,661.46 mi (9,111.24 km) |
| Foothill Farms to Oftersheim | 5,629.84 mi (9,060.35 km) |
| Foothill Farms to Ohrdruf | 5,605.70 mi (9,021.50 km) |
| Foothill Farms to Ohringen | 5,664.04 mi (9,115.40 km) |
| Foothill Farms to Olbernhau | 5,680.02 mi (9,141.10 km) |
| Foothill Farms to Olching | 5,768.61 mi (9,283.67 km) |
| Foothill Farms to Oldenburg | 5,413.41 mi (8,712.05 km) |
| Foothill Farms to Oldenburg in Holstein | 5,415.40 mi (8,715.24 km) |
| Foothill Farms to Olfen | 5,469.40 mi (8,802.15 km) |
| Foothill Farms to Olpe | 5,519.44 mi (8,882.67 km) |
| Foothill Farms to Olsberg | 5,518.44 mi (8,881.08 km) |
| Foothill Farms to Oranienburg | 5,558.38 mi (8,945.34 km) |
| Foothill Farms to Ortenberg | 5,588.22 mi (8,993.37 km) |
