| East San Gabriel to Oerlinghausen | 5,675.94 mi (9,134.54 km) |
| East San Gabriel to Oestrich-Winkel | 5,757.14 mi (9,265.21 km) |
| East San Gabriel to Offenburg | 5,833.44 mi (9,388.02 km) |
| East San Gabriel to Oftersheim | 5,806.92 mi (9,345.34 km) |
| East San Gabriel to Ohrdruf | 5,793.80 mi (9,324.23 km) |
| East San Gabriel to Ohringen | 5,843.11 mi (9,403.57 km) |
| East San Gabriel to Olbernhau | 5,874.73 mi (9,454.46 km) |
| East San Gabriel to Olching | 5,949.46 mi (9,574.73 km) |
| East San Gabriel to Oldenburg | 5,602.96 mi (9,017.09 km) |
| East San Gabriel to Oldenburg in Holstein | 5,615.60 mi (9,037.44 km) |
| East San Gabriel to Olfen | 5,651.67 mi (9,095.48 km) |
| East San Gabriel to Olpe | 5,700.36 mi (9,173.84 km) |
| East San Gabriel to Olsberg | 5,702.30 mi (9,176.96 km) |
| East San Gabriel to Oranienburg | 5,759.50 mi (9,269.02 km) |
| East San Gabriel to Ortenberg | 5,770.10 mi (9,286.08 km) |
