| San Bruno to Oerlinghausen | 5,581.90 mi (8,983.20 km) |
| San Bruno to Oestrich-Winkel | 5,672.34 mi (9,128.74 km) |
| San Bruno to Offenburg | 5,754.61 mi (9,261.14 km) |
| San Bruno to Oftersheim | 5,722.77 mi (9,209.91 km) |
| San Bruno to Ohrdruf | 5,698.08 mi (9,170.17 km) |
| San Bruno to Ohringen | 5,756.88 mi (9,264.80 km) |
| San Bruno to Olbernhau | 5,771.98 mi (9,289.11 km) |
| San Bruno to Olching | 5,861.34 mi (9,432.91 km) |
| San Bruno to Oldenburg | 5,505.75 mi (8,860.65 km) |
| San Bruno to Oldenburg in Holstein | 5,507.06 mi (8,862.75 km) |
| San Bruno to Olfen | 5,562.12 mi (8,951.36 km) |
| San Bruno to Olpe | 5,612.21 mi (9,031.97 km) |
| San Bruno to Olsberg | 5,611.07 mi (9,030.14 km) |
| San Bruno to Oranienburg | 5,649.94 mi (9,092.70 km) |
| San Bruno to Ortenberg | 5,680.93 mi (9,142.57 km) |
