| San Gabriel to Oerlinghausen | 5,677.75 mi (9,137.46 km) |
| San Gabriel to Oestrich-Winkel | 5,758.96 mi (9,268.14 km) |
| San Gabriel to Offenburg | 5,835.27 mi (9,390.95 km) |
| San Gabriel to Oftersheim | 5,808.74 mi (9,348.27 km) |
| San Gabriel to Ohrdruf | 5,795.62 mi (9,327.14 km) |
| San Gabriel to Ohringen | 5,844.93 mi (9,406.50 km) |
| San Gabriel to Olbernhau | 5,876.53 mi (9,457.37 km) |
| San Gabriel to Olching | 5,951.28 mi (9,577.66 km) |
| San Gabriel to Oldenburg | 5,604.77 mi (9,020.00 km) |
| San Gabriel to Oldenburg in Holstein | 5,617.40 mi (9,040.34 km) |
| San Gabriel to Olfen | 5,653.49 mi (9,098.41 km) |
| San Gabriel to Olpe | 5,702.18 mi (9,176.77 km) |
| San Gabriel to Olsberg | 5,704.11 mi (9,179.88 km) |
| San Gabriel to Oranienburg | 5,761.30 mi (9,271.91 km) |
| San Gabriel to Ortenberg | 5,771.92 mi (9,289.01 km) |
