| South San Francisco to Zottegem | 5,507.52 mi (8,863.50 km) |
| South San Francisco to Zulte | 5,494.50 mi (8,842.54 km) |
| South San Francisco to Zwevegem | 5,497.76 mi (8,847.79 km) |
| South San Francisco to Zwijndrecht | 5,504.08 mi (8,857.95 km) |
| South San Francisco to Asenovgrad | 6,559.31 mi (10,556.18 km) |
| South San Francisco to Aytos | 6,566.92 mi (10,568.44 km) |
| South San Francisco to Balchik | 6,539.01 mi (10,523.53 km) |
| South San Francisco to Bankya | 6,478.03 mi (10,425.38 km) |
| South San Francisco to Bansko | 6,539.40 mi (10,524.14 km) |
| South San Francisco to Berkovitsa | 6,444.72 mi (10,371.78 km) |
| South San Francisco to Blagoevgrad | 6,519.50 mi (10,492.13 km) |
| South San Francisco to Botevgrad | 6,480.10 mi (10,428.71 km) |
| South San Francisco to Burgas | 6,583.88 mi (10,595.73 km) |
| South San Francisco to Byala Slatina | 6,448.49 mi (10,377.85 km) |
| South San Francisco to Chirpan | 6,557.88 mi (10,553.88 km) |
