| Redwood City to Zottegem | 5,510.95 mi (8,869.02 km) |
| Redwood City to Zulte | 5,497.89 mi (8,848.00 km) |
| Redwood City to Zwevegem | 5,501.12 mi (8,853.20 km) |
| Redwood City to Zwijndrecht | 5,507.63 mi (8,863.67 km) |
| Redwood City to Asenovgrad | 6,564.57 mi (10,564.65 km) |
| Redwood City to Aytos | 6,572.64 mi (10,577.65 km) |
| Redwood City to Balchik | 6,544.95 mi (10,533.08 km) |
| Redwood City to Bankya | 6,483.08 mi (10,433.51 km) |
| Redwood City to Bansko | 6,544.42 mi (10,532.22 km) |
| Redwood City to Berkovitsa | 6,449.83 mi (10,380.00 km) |
| Redwood City to Blagoevgrad | 6,524.48 mi (10,500.13 km) |
| Redwood City to Botevgrad | 6,485.28 mi (10,437.05 km) |
| Redwood City to Burgas | 6,589.62 mi (10,604.96 km) |
| Redwood City to Byala Slatina | 6,453.76 mi (10,386.32 km) |
| Redwood City to Chirpan | 6,563.23 mi (10,562.50 km) |
