| Alameda to Oerlinghausen | 5,569.06 mi (8,962.54 km) |
| Alameda to Oestrich-Winkel | 5,659.41 mi (9,107.95 km) |
| Alameda to Offenburg | 5,741.64 mi (9,240.27 km) |
| Alameda to Oftersheim | 5,709.84 mi (9,189.11 km) |
| Alameda to Ohrdruf | 5,685.26 mi (9,149.54 km) |
| Alameda to Ohringen | 5,743.97 mi (9,244.03 km) |
| Alameda to Olbernhau | 5,759.24 mi (9,268.61 km) |
| Alameda to Olching | 5,848.45 mi (9,412.18 km) |
| Alameda to Oldenburg | 5,492.94 mi (8,840.03 km) |
| Alameda to Oldenburg in Holstein | 5,494.38 mi (8,842.34 km) |
| Alameda to Olfen | 5,549.23 mi (8,930.63 km) |
| Alameda to Olpe | 5,599.31 mi (9,011.22 km) |
| Alameda to Olsberg | 5,598.20 mi (9,009.44 km) |
| Alameda to Oranienburg | 5,637.28 mi (9,072.32 km) |
| Alameda to Ortenberg | 5,668.05 mi (9,121.84 km) |
