| Houston to Zierikzee | 5,001.78 mi (8,049.59 km) |
| Houston to Zoetermeer | 5,011.42 mi (8,065.10 km) |
| Houston to Zoeterwoude | 5,009.38 mi (8,061.82 km) |
| Houston to Zuidhorn | 5,045.58 mi (8,120.08 km) |
| Houston to Zuidlaren | 5,061.00 mi (8,144.89 km) |
| Houston to Zundert | 5,036.28 mi (8,105.10 km) |
| Houston to Zutphen | 5,073.28 mi (8,164.65 km) |
| Houston to Zwijndrecht | 5,024.83 mi (8,086.68 km) |
| Houston to Zwolle | 5,057.73 mi (8,139.64 km) |
| Houston to Alesund | 4,759.48 mi (7,659.65 km) |
| Houston to Alta | 4,911.63 mi (7,904.51 km) |
| Houston to Arendal | 4,960.78 mi (7,983.60 km) |
| Houston to As | 4,984.67 mi (8,022.05 km) |
| Houston to Asker | 4,968.42 mi (7,995.89 km) |
| Houston to Askim | 4,998.96 mi (8,045.05 km) |
