| Fair Oaks to Oerlinghausen | 4,018.70 mi (6,467.48 km) |
| Fair Oaks to Oestrich-Winkel | 4,048.05 mi (6,514.71 km) |
| Fair Oaks to Offenburg | 4,090.07 mi (6,582.34 km) |
| Fair Oaks to Oftersheim | 4,090.09 mi (6,582.36 km) |
| Fair Oaks to Ohrdruf | 4,132.58 mi (6,650.74 km) |
| Fair Oaks to Ohringen | 4,132.38 mi (6,650.42 km) |
| Fair Oaks to Olbernhau | 4,239.19 mi (6,822.32 km) |
| Fair Oaks to Olching | 4,237.43 mi (6,819.49 km) |
| Fair Oaks to Oldenburg | 3,968.93 mi (6,387.38 km) |
| Fair Oaks to Oldenburg in Holstein | 4,037.24 mi (6,497.30 km) |
| Fair Oaks to Olfen | 3,975.39 mi (6,397.77 km) |
| Fair Oaks to Olpe | 4,012.52 mi (6,457.53 km) |
| Fair Oaks to Olsberg | 4,028.86 mi (6,483.82 km) |
| Fair Oaks to Oranienburg | 4,170.17 mi (6,711.23 km) |
| Fair Oaks to Ortenberg | 4,080.12 mi (6,566.32 km) |
