| South San Francisco to Yuncos | 5,806.65 mi (9,344.90 km) |
| South San Francisco to Zafra | 5,791.48 mi (9,320.48 km) |
| South San Francisco to Zamora | 5,667.42 mi (9,120.82 km) |
| South San Francisco to Zaragoza | 5,835.54 mi (9,391.39 km) |
| South San Francisco to Zarautz | 5,708.47 mi (9,186.89 km) |
| South San Francisco to Zuera | 5,827.72 mi (9,378.82 km) |
| South San Francisco to Zumaia | 5,704.64 mi (9,180.73 km) |
| South San Francisco to Zumarraga | 5,713.26 mi (9,194.61 km) |
| South San Francisco to Longyearbyen | 4,246.50 mi (6,834.08 km) |
| South San Francisco to Ahus | 5,489.67 mi (8,834.77 km) |
| South San Francisco to Akersberga | 5,360.25 mi (8,626.49 km) |
| South San Francisco to Alingsas | 5,337.57 mi (8,589.99 km) |
| South San Francisco to Almhult | 5,450.04 mi (8,770.99 km) |
| South San Francisco to Alta | 5,371.97 mi (8,645.35 km) |
| South San Francisco to Amal | 5,277.70 mi (8,493.64 km) |
